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.
See the full Robert Postma record on OpeningBid — images, provenance, fair estimates and free sale alerts.
View Robert Postma on OpeningBid →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. See the full sale history on OpeningBid.
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).
See the full Robert Postma record on OpeningBid — images, provenance, fair estimates and free sale alerts.
View Robert Postma on OpeningBid →