{
 "name": "Miniature Paints Compare Brush Specification Index",
 "title": "Brush Specification Index",
 "url": "https://miniaturepaintscompare.com/datasets/brush-specification-index/",
 "csv": "https://miniaturepaintscompare.com/datasets/brush-specification-index.csv",
 "markdown": "https://miniaturepaintscompare.com/datasets/brush-specification-index/index.md",
 "computed_at": "2026-10-18",
 "license": "https://miniaturepaintscompare.com/terms",
 "headline": "The median published figure in the Brush Specification Index is 15.80 USD across 3 sources' own pages (range 4.09 to 34.99 USD), read 12 October 2026.",
 "quotes": [
  "The median published figure in the Brush Specification Index is 15.80 USD across 3 sources' own pages (range 4.09 to 34.99 USD), read 12 October 2026.",
  "3 of the 27 named sources read in full publish a figure; 24 publish none, read 12 October 2026.",
  "The median is unchanged since 26 September 2026 (was 15.80 USD across 3)."
 ],
 "citation": "\"Miniature Paints Compare Brush Specification Index\", updated 2026-10-18, https://miniaturepaintscompare.com/datasets/brush-specification-index/.",
 "changed_since": {
  "since": "2026-09-26",
  "previous_median": 15.8,
  "delta": 0,
  "direction": "unchanged",
  "sentence": "The median is unchanged since 26 September 2026 (was 15.80 USD across 3)."
 },
 "national": {
  "unit": "USD",
  "n": 3,
  "median": 15.8,
  "min": 4.09,
  "max": 34.99,
  "p25": 4.09,
  "p75": 34.99,
  "mean": 18.2933,
  "units": {
   "USD": 3
  },
  "published_sources": 3,
  "named_sources": 28,
  "read_sources": 27,
  "not_published": 24,
  "published_share": 0.111
 },
 "by_axis": {},
 "rows": [
  {
   "source": "Winsor & Newton Series 7 Kolinsky sable miniature brush",
   "url": "https://www.winsornewton.com/products/series-7-kolinsky-sable-brush-series-7-kolinsky-sable-mintature-painting-brush-round",
   "figure": "$34.99 ",
   "value": 34.99,
   "unit": "USD",
   "vat": null,
   "axis": {},
   "retrieved_at": "2026-10-12",
   "quote": "FROM $34.99 USD",
   "source_class": "primary-provider-own-site",
   "text_sha256": "6971f194f1cebbb6d4074808ecb1e9678be47e8d2029138c67a1ddef90401cfb"
  },
  {
   "source": "Liquitex traditional palette knife",
   "url": "https://www.liquitex.com/products/professional-tools-palette-knife",
   "figure": "$4.09 ",
   "value": 4.09,
   "unit": "USD",
   "vat": null,
   "axis": {},
   "retrieved_at": "2026-10-12",
   "quote": "FROM $4.09 USD",
   "source_class": "primary-provider-own-site",
   "text_sha256": "f18f802dd68de6ee1e2cf91a2fe80d92523b4b77d1eca90a0a7c1da797ec3beb"
  },
  {
   "source": "Silver Brush Black Velvet collection",
   "url": "https://www.silverbrush.com/collections/black-velvet",
   "figure": "$15.80 ",
   "value": 15.8,
   "unit": "USD",
   "vat": null,
   "axis": {},
   "retrieved_at": "2026-10-12",
   "quote": "from $15.80 Black Velvet® Script Liner Paintbrush | Short Handle | 3007S",
   "source_class": "primary-provider-own-site",
   "text_sha256": "b8c9357638a7f6790040fc2c98ccd00681e1f0bc8b40e1c2e4e18847cb59d182"
  }
 ],
 "not_published": [
  {
   "source": "Rosemary & Co Series 363 Kolinsky sable miniature",
   "url": "https://www.rosemaryandco.com/series-363-kolinsky-sable-miniature",
   "retrieved_at": "2026-10-12",
   "reason": "read in full and no accepted figure on the page"
  },
  {
   "source": "Rosemary & Co Series 33 pure Kolinsky pointed rounds",
   "url": "https://www.rosemaryandco.com/pure-kolinsky-pointed",
   "retrieved_at": "2026-10-12",
   "reason": "every candidate on the page was refused"
  },
  {
   "source": "Rosemary & Co model dry brush set",
   "url": "https://www.rosemaryandco.com/model-dry-brush-set",
   "retrieved_at": "2026-10-12",
   "reason": "read in full and no accepted figure on the page"
  },
  {
   "source": "Rosemary & Co miniature brush set",
   "url": "https://www.rosemaryandco.com/miniature-set",
   "retrieved_at": "2026-10-12",
   "reason": "read in full and no accepted figure on the page"
  },
  {
   "source": "Winsor & Newton Series 7 collection",
   "url": "https://www.winsornewton.com/collections/series-7-finest-kolinsky-sable-brushes",
   "retrieved_at": "2026-10-12",
   "reason": "every candidate on the page was refused"
  },
  {
   "source": "da Vinci Maestro Series 10 size 0",
   "url": "https://www.davinci-defet.com/en/article/VA-10_0",
   "retrieved_at": "2026-10-12",
   "reason": "read in full and no accepted figure on the page"
  },
  {
   "source": "da Vinci Maestro Series 10 size 1",
   "url": "https://www.davinci-defet.com/en/article/VA-10_1",
   "retrieved_at": "2026-10-12",
   "reason": "read in full and no accepted figure on the page"
  },
  {
   "source": "da Vinci Maestro Series 10 size 2",
   "url": "https://www.davinci-defet.com/en/article/VA-10_2",
   "retrieved_at": "2026-10-12",
   "reason": "read in full and no accepted figure on the page"
  },
  {
   "source": "Escoda series 1212 Reserva Kolinsky-Tajmyr",
   "url": "https://escoda.com/en/product/1212/",
   "retrieved_at": "2026-10-12",
   "reason": "read in full and no accepted figure on the page"
  },
  {
   "source": "Escoda all series",
   "url": "https://escoda.com/en/product-category/all-series-en/",
   "retrieved_at": "2026-10-12",
   "reason": "read in full and no accepted figure on the page"
  },
  {
   "source": "Princeton Velvetouch Series 3950",
   "url": "https://princetonbrush.com/brushes-princeton-brush-company-art-brushes/series/velvetouch-series-3950/",
   "retrieved_at": "2026-09-12",
   "reason": "read in full and no accepted figure on the page"
  },
  {
   "source": "Princeton Velvetouch Series 3900",
   "url": "https://princetonbrush.com/brushes-princeton-brush-company-art-brushes/series/velvetouch-series-3900/",
   "retrieved_at": "2026-09-12",
   "reason": "read in full and no accepted figure on the page"
  },
  {
   "source": "Princeton Velvetouch professional 4-piece set",
   "url": "https://princetonbrush.com/brushes/princeton-3950set100/",
   "retrieved_at": "2026-09-12",
   "reason": "read in full and no accepted figure on the page"
  },
  {
   "source": "The Army Painter Wargamer Insane Detail brush",
   "url": "https://thearmypainter.com/products/brushes-wargamer-insane-detail-br7036p",
   "retrieved_at": "2026-10-12",
   "reason": "every candidate on the page was refused"
  },
  {
   "source": "The Army Painter brushes collection",
   "url": "https://thearmypainter.com/collections/brushes",
   "retrieved_at": "2026-10-12",
   "reason": "every candidate on the page was refused"
  },
  {
   "source": "Silver Brush Black Velvet round, short handle",
   "url": "https://www.silverbrush.com/products/black-velvet-round-short-handle",
   "retrieved_at": "2026-09-12",
   "reason": "every candidate on the page was refused"
  },
  {
   "source": "Silver Brush Black Velvet script liner",
   "url": "https://www.silverbrush.com/products/black-velvet-script-liner-short-handle",
   "retrieved_at": "2026-10-12",
   "reason": "read in full and no accepted figure on the page"
  },
  {
   "source": "Trekell Golden Taklon short handle",
   "url": "https://www.trekell.com/products/golden-taklon-6-short-handle",
   "retrieved_at": "2026-10-12",
   "reason": "read in full and no accepted figure on the page"
  },
  {
   "source": "Monument Hobbies brushes",
   "url": "https://monumenthobbies.com/collections/brushes",
   "retrieved_at": "2026-10-12",
   "reason": "every candidate on the page was refused"
  },
  {
   "source": "Tamiya pointed brush (medium)",
   "url": "https://www.tamiya.com/english/products/87016/index.htm",
   "retrieved_at": "2026-10-12",
   "reason": "read in full and no accepted figure on the page"
  },
  {
   "source": "RGM painting and palette knives",
   "url": "https://www.rgm-art.com/en/palette-knives/painting-palette-knives",
   "retrieved_at": "2026-09-12",
   "reason": "read in full and no accepted figure on the page"
  },
  {
   "source": "RGM (Maniago) company range",
   "url": "https://www.rgm-art.com/en/homepage",
   "retrieved_at": "2026-09-12",
   "reason": "read in full and no accepted figure on the page"
  },
  {
   "source": "Liquitex traditional knives set",
   "url": "https://www.liquitex.com/products/traditional-knives-ring-set",
   "retrieved_at": "2026-10-12",
   "reason": "every candidate on the page was refused"
  },
  {
   "source": "Liquitex professional painting knives",
   "url": "https://www.liquitex.com/collections/knives",
   "retrieved_at": "2026-10-12",
   "reason": "read in full and no accepted figure on the page"
  }
 ],
 "sources": [
  {
   "url": "https://www.rosemaryandco.com/series-363-kolinsky-sable-miniature",
   "label": "Rosemary & Co Series 363 Kolinsky sable miniature",
   "license": "the publisher's own terms; quoted for reporting and comment"
  },
  {
   "url": "https://www.rosemaryandco.com/pure-kolinsky-pointed",
   "label": "Rosemary & Co Series 33 pure Kolinsky pointed rounds",
   "license": "the publisher's own terms; quoted for reporting and comment"
  },
  {
   "url": "https://www.rosemaryandco.com/model-dry-brush-set",
   "label": "Rosemary & Co model dry brush set",
   "license": "the publisher's own terms; quoted for reporting and comment"
  },
  {
   "url": "https://www.rosemaryandco.com/miniature-set",
   "label": "Rosemary & Co miniature brush set",
   "license": "the publisher's own terms; quoted for reporting and comment"
  },
  {
   "url": "https://www.winsornewton.com/products/series-7-kolinsky-sable-brush-series-7-kolinsky-sable-mintature-painting-brush-round",
   "label": "Winsor & Newton Series 7 Kolinsky sable miniature brush",
   "license": "the publisher's own terms; quoted for reporting and comment"
  },
  {
   "url": "https://www.winsornewton.com/collections/series-7-finest-kolinsky-sable-brushes",
   "label": "Winsor & Newton Series 7 collection",
   "license": "the publisher's own terms; quoted for reporting and comment"
  },
  {
   "url": "https://www.davinci-defet.com/en/article/VA-10_0",
   "label": "da Vinci Maestro Series 10 size 0",
   "license": "the publisher's own terms; quoted for reporting and comment"
  },
  {
   "url": "https://www.davinci-defet.com/en/article/VA-10_1",
   "label": "da Vinci Maestro Series 10 size 1",
   "license": "the publisher's own terms; quoted for reporting and comment"
  },
  {
   "url": "https://www.davinci-defet.com/en/article/VA-10_2",
   "label": "da Vinci Maestro Series 10 size 2",
   "license": "the publisher's own terms; quoted for reporting and comment"
  },
  {
   "url": "https://escoda.com/en/product/1212/",
   "label": "Escoda series 1212 Reserva Kolinsky-Tajmyr",
   "license": "the publisher's own terms; quoted for reporting and comment"
  },
  {
   "url": "https://escoda.com/en/product-category/all-series-en/",
   "label": "Escoda all series",
   "license": "the publisher's own terms; quoted for reporting and comment"
  },
  {
   "url": "https://princetonbrush.com/brushes-princeton-brush-company-art-brushes/series/velvetouch-series-3950/",
   "label": "Princeton Velvetouch Series 3950",
   "license": "the publisher's own terms; quoted for reporting and comment"
  },
  {
   "url": "https://princetonbrush.com/brushes-princeton-brush-company-art-brushes/series/velvetouch-series-3900/",
   "label": "Princeton Velvetouch Series 3900",
   "license": "the publisher's own terms; quoted for reporting and comment"
  },
  {
   "url": "https://princetonbrush.com/brushes/princeton-3950set100/",
   "label": "Princeton Velvetouch professional 4-piece set",
   "license": "the publisher's own terms; quoted for reporting and comment"
  },
  {
   "url": "https://thearmypainter.com/products/brushes-wargamer-insane-detail-br7036p",
   "label": "The Army Painter Wargamer Insane Detail brush",
   "license": "the publisher's own terms; quoted for reporting and comment"
  },
  {
   "url": "https://thearmypainter.com/collections/brushes",
   "label": "The Army Painter brushes collection",
   "license": "the publisher's own terms; quoted for reporting and comment"
  },
  {
   "url": "https://www.silverbrush.com/products/black-velvet-round-short-handle",
   "label": "Silver Brush Black Velvet round, short handle",
   "license": "the publisher's own terms; quoted for reporting and comment"
  },
  {
   "url": "https://www.silverbrush.com/products/black-velvet-script-liner-short-handle",
   "label": "Silver Brush Black Velvet script liner",
   "license": "the publisher's own terms; quoted for reporting and comment"
  },
  {
   "url": "https://www.silverbrush.com/collections/black-velvet",
   "label": "Silver Brush Black Velvet collection",
   "license": "the publisher's own terms; quoted for reporting and comment"
  },
  {
   "url": "https://www.trekell.com/products/golden-taklon-6-short-handle",
   "label": "Trekell Golden Taklon short handle",
   "license": "the publisher's own terms; quoted for reporting and comment"
  },
  {
   "url": "https://monumenthobbies.com/collections/brushes",
   "label": "Monument Hobbies brushes",
   "license": "the publisher's own terms; quoted for reporting and comment"
  },
  {
   "url": "https://www.tamiya.com/english/products/87016/index.htm",
   "label": "Tamiya pointed brush (medium)",
   "license": "the publisher's own terms; quoted for reporting and comment"
  },
  {
   "url": "https://www.rgm-art.com/en/palette-knives/painting-palette-knives",
   "label": "RGM painting and palette knives",
   "license": "the publisher's own terms; quoted for reporting and comment"
  },
  {
   "url": "https://www.rgm-art.com/en/homepage",
   "label": "RGM (Maniago) company range",
   "license": "the publisher's own terms; quoted for reporting and comment"
  },
  {
   "url": "https://www.liquitex.com/products/professional-tools-palette-knife",
   "label": "Liquitex traditional palette knife",
   "license": "the publisher's own terms; quoted for reporting and comment"
  },
  {
   "url": "https://www.liquitex.com/products/traditional-knives-ring-set",
   "label": "Liquitex traditional knives set",
   "license": "the publisher's own terms; quoted for reporting and comment"
  },
  {
   "url": "https://www.liquitex.com/collections/knives",
   "label": "Liquitex professional painting knives",
   "license": "the publisher's own terms; quoted for reporting and comment"
  },
  {
   "url": "https://www.jacksonsart.com/en-us/brands/raphael/raphael-kolinsky",
   "label": "Jackson's Art Raphaël Kolinsky range",
   "license": "the publisher's own terms; quoted for reporting and comment"
  }
 ],
 "methodology": "Every row is a verbatim sentence read from the named source's own page through our fetch service on the date shown, hash-pinned to the stored read (the sha of the page's visible text; the raw page is mirrored to R2). 3 of the 27 named sources that could be read published a usable figure; 24 published none and are recorded as not published, never filled in; 1 could not be read (blocked, dead or unreachable) and count nowhere. The headline figures (median, minimum, maximum, quartiles) are over ONE figure per source in USD (a source's median where its page yielded several accepted sentences), so N counts sources, never sentences; 68 candidate sentence(s) were refused by a reviewer with the reason recorded. The fuller derivation this dataset is chartered to grow into (not yet what the figures above are; they are each source's own published figure as read): one row per maker per series per size: hair (Kolinsky sable, red sable, squirrel blend, synthetic taklon, hog bristle, goat), shape (round, filbert, rigger, mop, flat, spotter, palette/painting knife), handle length, the head dimensions the maker publishes and the price; the derived figures are price per size across makers, the count of series still made in Kolinsky against synthetic, the cheapest series that publishes a size 0, and what changed since the previous read - a discontinued Kolinsky series being the news the trade actually watches",
 "embed": "<figure style=\"margin:0;padding:16px;border:1px solid #d9d9d9;border-radius:8px;background:#ffffff;color:#111111;font-family:system-ui,sans-serif;max-width:480px\"><p style=\"margin:0 0 8px;font-size:28px;font-weight:700;color:#111111;background:#ffffff\">15.80 USD</p><p style=\"margin:0 0 8px;font-size:14px;color:#111111;background:#ffffff\">median published figure, Brush Specification Index, across 3 sources, read 12 October 2026</p><figcaption style=\"font-size:12px;color:#444444;background:#ffffff\"><a href=\"https://miniaturepaintscompare.com/datasets/brush-specification-index/#median\" style=\"color:#1a4fd6;background:#ffffff\">Source: Miniature Paints Compare Brush Specification Index</a></figcaption></figure>"
}