> Source: https://www.openingbid.art/artist/bertram-hartman · updated 2026-11-02

# 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.

## 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. The full sale history is in the OpeningBid app (free sign-up).

## 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.

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Data last updated 2026-11-02. OpeningBid tracks 15,390,829 auction lots from 577 auction houses, refreshed nightly.

Cite this page as: OpeningBid, “Bertram Hartman auction prices”, https://www.openingbid.art/artist/bertram-hartman (updated 2026-11-02).

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.