Signed lower right, signed and inscribed with title verso, pastel
| $2,493 | Lyon & Turnbull | Aug 2025 | | 2 | CHAIN - 1971, 1971 | Signed, titled and dated verso, oil on canvas | $2,291 | Lyon & Turnbull | Jan 2023 | | 3 | HARBOUR LIGHT - 1991 |Signed lower right, pastel
| $2,136 | Lyon & Turnbull | Aug 2025 | | 4 | GOAT FELL |Signed lower right, oil on canvas
| $1,868 | Lyon & Turnbull | Apr 2025 | | 5 | FISH CATCH | Signed lower right, oil on board | $1,764 | Lyon & Turnbull | Aug 2023 | | 6 | SWING AND STOOL: POEM FOR KYLE, 1967 | Signed lower right, inscribed with title within composition, signed and inscribed with title and dated 1967 verso, acrylic on canvas | $1,451 | Lyon & Turnbull | Aug 2024 | | 7 | BLUE AND PINK SEASCAPE | Signed lower right, pastel | $1,374 | Lyon & Turnbull | Aug 2026 | | 8 | HERON | Signed lower right, signed to backboard, oil on board | $1,374 | Lyon & Turnbull | Aug 2026 | | 9 | B IS FOR BICYCLE | Signed lower right, ink and watercolour | $1,194 | Lyon & Turnbull | Jan 2022 | | 10 | STILL-LIFE: LOBSTER AND FISH | Signed lower right, pastel on dark brown paper | $1,145 | Lyon & Turnbull | Jan 2023 | **Median price by medium (last 24 months, n ≥ 5)** | Medium | Sales | Median | |---|---|---| | Paintings | 12 | $810 | | Works on paper | 19 | $609 | **Median price by size (last 24 months, n ≥ 5)** | Size | Sales | Median | |---|---|---| | Medium (50-120 cm) | 6 | $1,128 | | Small (under 50 cm) | 24 | $621 | Data as of 3 November 2026 · Source: OpeningBid, 33 results from 6 houses · [How we compute these figures](https://www.openingbid.art/methodology/price-data) Jack Knox is a Scottish artist with 33 auction lots recorded since 2019, median price $713. Some sold prices are hammer-only and exclude the buyer's premium; they are marked on this page. A work by Jack Knox sold in 2026 for $1,374, according to OpeningBid's index of auction results. ## What is a Jack Knox work worth? Across 33 sold lots tracked by OpeningBid, the median price of a Jack Knox work is $713. The median Jack Knox work on paper sells for $614 across 20 lots. The median Jack Knox painting sells for $810 across 12 lots. Some prices are hammer-only and exclude the buyer's premium. ## Price breakdown by category | Category | Lots tracked | Median price | Record price | Sell-through | Last sale | |---|---|---|---|---|---| | Paintings | 12 | $810 | $2,291 | — | 2026-08-12 | | Works on Paper | 20 | $614† | $2,493 | — | 2026-08-12 | † hammer price — buyer's premium not included. ## Price by size ### Paintings | Size | Sold lots | Typical range (p25–p75) | Median | Record | |---|---|---|---|---| | small (under 50 cm) | 6 | $540–$731 | $672 | $1,764 | ### Works on Paper | Size | Sold lots | Typical range (p25–p75) | Median | Record | |---|---|---|---|---| | small (under 50 cm) | 18 | $483–$898† | $564† | $2,136 | † hammer price — buyer's premium not included. Size is the work's longest edge. Cells appear only with at least 5 sold lots. ## Notable results | Medium | Year | Price | |---|---|---| | Works on Paper | 2025 | $2,493 | | Paintings | 2023 | $2,291 | | Works on Paper | 2025 | $2,136 | | Paintings | 2025 | $1,868 | The highest recorded result in each medium. The full sale history is in the OpeningBid app (free sign-up). ## Frequently asked questions ### What is a Jack Knox worth? Across 33 sold lots tracked by OpeningBid, the median price of a Jack Knox work is $713. The median Jack Knox work on paper sells for $614 across 20 lots. The median Jack Knox painting sells for $810 across 12 lots. Some prices are hammer-only and exclude the buyer's premium. ### What is the average price of a Jack Knox work on paper? Based on 20 sold lots tracked by OpeningBid, the median auction price of a Jack Knox work on paper is $614. Some prices are hammer-only and exclude the buyer's premium. ### What is Jack Knox's most expensive work on paper? The highest price recorded at auction for a Jack Knox work on paper is $2,493. ### What is the average price of a Jack Knox painting? Based on 12 sold lots tracked by OpeningBid, the median auction price of a Jack Knox painting is $810. ### What is Jack Knox's most expensive painting? The highest price recorded at auction for a Jack Knox painting is $2,291. ### What is the average price of a small Jack Knox work on paper? Based on 18 sold lots, the median auction price of a small Jack Knox work on paper (small (under 50 cm)) is $564, according to OpeningBid's index of auction results. Some prices are hammer-only and exclude the buyer's premium. ### What is Jack Knox's auction record? Jack Knox's auction record is $2,493, set in 2025. --- Data last updated 2026-11-03. OpeningBid tracks 15,596,131 auction lots from 579 auction houses, refreshed nightly. Cite this page as: OpeningBid, “Jack Knox auction prices”, https://www.openingbid.art/artist/jack-knox (updated 2026-11-03). Historical auction data, not investment advice. Prices are premium-inclusive USD where the buyer's premium is recorded. Figures marked † are hammer prices (buyer's premium not included); ‡ marks a price whose basis is not yet verified. Non-USD results are converted at the sale month's rate.