Bertram Hartman (1882–1960)
Bertram Hartman is an American artist with 47 auction lots recorded since 1989, median price $750. Some sold prices are hammer-only and exclude the buyer's premium; they are marked on this page. Some sold prices are not yet verified as premium-inclusive or hammer, and are marked on this page.
A work by Bertram Hartman sold in 2024 for $1,750, according to OpeningBid's index of auction results.
See the full Bertram Hartman record on OpeningBid — images, provenance, fair estimates and free sale alerts.
View Bertram Hartman on OpeningBid →What is a Bertram Hartman work worth?
Across 30 sold lots tracked by OpeningBid, the median price of a Bertram Hartman work is $750.
The median Bertram Hartman work on paper sells for $439 across 20 lots.
The median Bertram Hartman painting sells for $1,062 across 12 lots.
Prices are premium-inclusive where the house records them; hammer-only prices exclude the buyer's premium, and some prices are not yet basis-verified.
Price breakdown by category
| Category | Lots tracked | Median price | Record price | Sell-through | Last sale |
|---|---|---|---|---|---|
| Prints & Editions | 1 | — | — | 0% | — |
| Paintings | 17 | $1,062‡ | $3,750‡ | 70.6% | 2023-04-19 |
| Works on Paper | 27 | $439†‡ | $11,156 | 74.1% | 2026-09-25 |
† hammer price — buyer's premium not included. ‡ reported price — whether it includes the buyer's premium is not yet verified.
Price by size
Paintings
| Size | Sold lots | Typical range (p25–p75) | Median | Record |
|---|---|---|---|---|
| small (under 50 cm) | 8 | $529–$1,622‡ | $1,062‡ | $2,860 |
‡ reported price — whether it includes the buyer's premium is not yet verified.
Works on Paper
| Size | Sold lots | Typical range (p25–p75) | Median | Record |
|---|---|---|---|---|
| medium (50–120 cm) | 14 | $173–$620†‡ | $244†‡ | $1,750 |
† hammer price — buyer's premium not included. ‡ reported price — whether it includes the buyer's premium is not yet verified.
Size is the work's longest edge. Cells appear only with at least 5 sold lots.
Notable results
| Medium | Year | Price |
|---|---|---|
| Works on Paper | 2006 | $11,156 |
| Paintings | 2020 | $3,750‡ |
| Paintings | 2007 | $3,616 |
| Works on Paper | 2018 | $2,860 |
‡ reported price — whether it includes the buyer's premium is not yet verified.
The highest recorded result in each medium. See the full sale history on OpeningBid.
Frequently asked questions
What is a Bertram Hartman worth?
Across 30 sold lots tracked by OpeningBid, the median price of a Bertram Hartman work is $750. The median Bertram Hartman work on paper sells for $439 across 20 lots. The median Bertram Hartman painting sells for $1,062 across 12 lots. Prices are premium-inclusive where the house records them; hammer-only prices exclude the buyer's premium, and some prices are not yet basis-verified.
What is the average price of a Bertram Hartman work on paper?
Based on 20 sold lots tracked by OpeningBid, the median auction price of a Bertram Hartman work on paper is $439. Prices are premium-inclusive where the house records them; hammer-only prices exclude the buyer's premium, and some prices are not yet basis-verified.
What is Bertram Hartman's most expensive work on paper?
The highest price recorded at auction for a Bertram Hartman work on paper is $11,156.
What is the average price of a Bertram Hartman painting?
Based on 12 sold lots tracked by OpeningBid, the median auction price of a Bertram Hartman painting is $1,062. Some prices are not yet basis-verified (premium-inclusive or hammer).
What is Bertram Hartman's most expensive painting?
The highest price recorded at auction for a Bertram Hartman painting is $3,750. Whether that record price includes the buyer's premium is not yet verified.
What is the average price of a medium Bertram Hartman work on paper?
Based on 14 sold lots, the median auction price of a medium Bertram Hartman work on paper (medium (50–120 cm)) is $244, according to OpeningBid's index of auction results. Prices are premium-inclusive where the house records them; hammer-only prices exclude the buyer's premium, and some prices are not yet basis-verified.
What is Bertram Hartman's auction record?
Bertram Hartman's auction record is $11,156, set in 2006.
See the full Bertram Hartman record on OpeningBid — images, provenance, fair estimates and free sale alerts.
View Bertram Hartman on OpeningBid →