> Source: https://www.openingbid.art/artist/robert-postma · updated 2026-11-01

# Robert Postma (b. 1939)

Robert Postma is an American artist with 27 auction lots recorded since 2024, median price $900. Some sold prices are hammer-only and exclude the buyer's premium; they are marked on this page.

A work by Robert Postma sold in 2025 for a hammer price of $1,200 (buyer's premium not included), according to OpeningBid's index of auction results.

## What is a Robert Postma work worth?

Across 27 sold lots tracked by OpeningBid, the median price of a Robert Postma work is $900.

The median Robert Postma painting sells for $900 across 27 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 | 27 | $900† | $3,000† | — | 2026-04-30 |
| Masterpieces (top of market) | 4 | $3,000† | $3,000† | — | 2024-05-02 |

† hammer price — buyer's premium not included.

## Price by size

### Paintings

| Size | Sold lots | Typical range (p25–p75) | Median | Record |
|---|---|---|---|---|
| medium (50–120 cm) | 8 | $638–$1,025† | $800† | $1,100† |
| large (over 120 cm) | 19 | $625–$2,600† | $900† | $3,000† |

† 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 |
|---|---|---|
| Paintings | 2024 | $3,000† |
| Paintings | 2024 | $3,000† |

† hammer price — buyer's premium not included.

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 Robert Postma worth?

Across 27 sold lots tracked by OpeningBid, the median price of a Robert Postma work is $900. The median Robert Postma painting sells for $900 across 27 lots. Some prices are hammer-only and exclude the buyer's premium.

### What is the average price of a Robert Postma painting?

Based on 27 sold lots tracked by OpeningBid, the median auction price of a Robert Postma painting is $900. Some prices are hammer-only and exclude the buyer's premium.

### What is Robert Postma's most expensive painting?

The highest price recorded at auction for a Robert Postma painting is $3,000. That record lot sold for a hammer price of $3,000 (buyer's premium not included).

### What is the average price of a large Robert Postma painting?

Based on 19 sold lots, the median auction price of a large Robert Postma painting (large (over 120 cm)) is $900, according to OpeningBid's index of auction results. Some prices are hammer-only and exclude the buyer's premium.

### What is Robert Postma's auction record?

Robert Postma's auction record is $3,000, set in 2024. That record lot sold for a hammer price of $3,000 (buyer's premium not included).

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Data last updated 2026-11-01. OpeningBid tracks 15,222,099 auction lots from 571 auction houses, refreshed nightly.

Cite this page as: OpeningBid, “Robert Postma auction prices”, https://www.openingbid.art/artist/robert-postma (updated 2026-11-01).

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.