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

# Robert Sonneman (b. 1943)

## What is Robert Sonneman’s work worth? {#value}

As of 2 November 2026, OpeningBid has recorded 100 auction results for Robert Sonneman at 34 houses since 2001. Over the last 24 months the median price was $453 including buyer’s premium (middle half $215–$771, n=16). The auction record is $5,250 for Table lamps (2022, Los Angeles Modern Auctions). Source: OpeningBid, an independent auction-results database.

**Top auction records: paintings, drawings & sculpture**

| # | Work | Medium | Price | House | Sold |
|---|---|---|---|---|---|
| 1 | Table lamps, 1970 | Chrome | $5,250 | Los Angeles Modern Auctions | Mar 2022 |
| 2 | Cityscape ceiling pendant, 1970 | Aluminum | $3,750 | Toomey & Co. | May 2021 |
| 3 | table lamps, pair, 1970 | Chrome | $3,556 | Wright | Mar 2013 |
| 4 | Cityscape pendant lamp, 1970 | Aluminum | $3,024 | Wright | Aug 2024 |
| 5 | floor lamp, model 8003, 1965 | Aluminum | $3,000 | Wright | Sep 2015 |
| 6 | Floor lamp, model 8075, 1965 | Enamel | $2,750 | Wright | Feb 2022 |
| 7 | floor lamp, 1965 | Aluminum | $2,625 | Wright | Mar 2011 |
| 8 | Globe table lamps, 1965 | Aluminum | $2,520 | Rago Arts | Jun 2024 |
| 9 | Hanging lamps, 1975 | Enamel | $2,286 | Wright | Jan 2026 |
| 10 | Floor lamp, 1965 | Enamel | $2,000 | Rago Arts | Mar 2022 |


**Median price by medium (last 24 months, n ≥ 5)**

| Medium | Sales | Median |
|---|---|---|
| Other | 68 | $614 |

**Median price by size (last 24 months, n ≥ 5)**

| Size | Sales | Median |
|---|---|---|
| Medium (50-120 cm) | 25 | $780 |
| Large (over 120 cm) | 28 | $702 |
| Small (under 50 cm) | 9 | $380 |

Data as of 2 November 2026 · Source: OpeningBid, 100 results from 34 houses · [How we compute these figures](https://www.openingbid.art/methodology/price-data)


Robert Sonneman is an American artist with 106 auction lots recorded since 2001, median price $597. 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 Robert Sonneman sold in 2026 for a hammer price of $600 (buyer's premium not included), according to OpeningBid's index of auction results.

## What is a Robert Sonneman work worth?

Across 89 sold lots tracked by OpeningBid, the median price of a Robert Sonneman work is $597.

The median Robert Sonneman sculpture sells for $788 across 14 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% | — |
| Sculpture & Installation | 14 | $788† | $3,750 | — | 2026-09-19 |
| Masterpieces (top of market) | 5 | $3,556 | $5,250 | — | 2024-08-29 |

† hammer price — buyer's premium not included.

## Price by size

### Sculpture & Installation

| Size | Sold lots | Typical range (p25–p75) | Median | Record |
|---|---|---|---|---|
| medium (50–120 cm) | 5 | $407–$3,024 | $665 | $3,750 |
| large (over 120 cm) | 8 | $532–$1,984† | $772† | $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 |
|---|---|---|
| Sculpture & Installation | 2021 | $3,750 |
| Sculpture & Installation | 2024 | $3,024 |

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 Sonneman worth?

Across 89 sold lots tracked by OpeningBid, the median price of a Robert Sonneman work is $597. The median Robert Sonneman sculpture sells for $788 across 14 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 Robert Sonneman sculpture?

Based on 14 sold lots tracked by OpeningBid, the median auction price of a Robert Sonneman sculpture is $788. Some prices are hammer-only and exclude the buyer's premium.

### What is Robert Sonneman's most expensive sculpture?

The highest price recorded at auction for a Robert Sonneman sculpture is $3,750.

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

Robert Sonneman's auction record is $5,250, set in 2022.

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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, “Robert Sonneman auction prices”, https://www.openingbid.art/artist/robert-sonneman (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.