> Source: https://www.openingbid.art/artist/alexander-koester · updated 2026-11-03

# Alexander (1864–1932)

## What is Alexander’s work worth? {#value}

As of 3 November 2026, OpeningBid has recorded 201 auction results for Alexander at 16 houses since 1993. Over the last 24 months the median price was $20,157 including buyer’s premium (middle half $8,995–$29,987, n=11). The auction record is $285,103 for Enten am Seeufer (ducks on a lake shore) (2008, Sotheby's). Source: OpeningBid, an independent auction-results database.

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

| # | Work | Medium | Price | House | Sold |
|---|---|---|---|---|---|
| 1 | Enten am Seeufer (ducks on a lake shore) | Oil on canvas | $285,103 | Sotheby's | May 2008 |
| 2 | Family of ducks at the water, 1911 | Oil on canvas | $198,060 | Koller Auktionen | Sep 2009 |
| 3 | Sixteen ducks in the evening light, 19th Century | Oil on canvas | $155,862 | Koller Auktionen | Mar 2025 |
| 4 | Erpel mit Enten und Küken am Seeufer, 1905 | Oil on canvas | $118,618 | Ketterer Kunst | May 2015 |
| 5 | Ducks under some trees, 19th Century | Oil on canvas | $117,380 | Koller Auktionen | Sep 2007 |
| 6 | Enten, Reichenau, 1909 | Oil on canvas | $111,870 | Ketterer Kunst | May 2019 |
| 7 | Four ducks | Oil on canvas | $98,938 | Koller Auktionen | Mar 2007 |
| 8 | Ducks in the evening light, 19th Century | Oil on canvas | $80,926 | Koller Auktionen | Sep 2024 |
| 9 | Red and white roses in a square glass vase, 1988 | Oil on canvas | $78,059 | Koller Auktionen | Sep 2009 |
| 10 | Enten in den See gehend | Öl auf Leinwand | $77,373 | Ketterer Kunst | Dec 2004 |


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

| Medium | Sales | Median |
|---|---|---|
| Paintings | 109 | $25,547 |
| Works on paper | 10 | $3,872 |
| Other | 15 | $1,279 |

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

| Size | Sales | Median |
|---|---|---|
| Large (over 120 cm) | 8 | $58,457 |
| Medium (50-120 cm) | 96 | $25,554 |
| Small (under 50 cm) | 25 | $3,067 |

Data as of 3 November 2026 · Source: OpeningBid, 201 results from 16 houses · [How we compute these figures](https://www.openingbid.art/methodology/price-data)


Alexander is a German artist with 319 auction lots recorded since 1991, median price $18,992. 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 Alexander is recorded as sold in 2026 for $20,959; whether the price includes the buyer's premium is not yet verified, according to OpeningBid's index of auction results.

**3 Alexander works are coming to auction** (as of 2026-11-03).

- [Alexander on OpeningBid](https://www.openingbid.art/artist/alexander-koester?ref=kg:alexander-koester) — follow free in the OpeningBid app for sale alerts.

## What is a Alexander work worth?

Across 200 sold lots tracked by OpeningBid, the median price of a Alexander work is $18,992.

The median Alexander painting sells for $25,655 across 144 lots.

The median Alexander work on paper sells for $1,590 across 31 lots.

The median Alexander print sells for $633 across 1 lots.

Medium (50–120 cm) Alexander paintings typically sell for $17,249–$45,605 (the middle half of 124 sold lots).

Small (under 50 cm) Alexander work on papers typically sell for $618–$2,514 (the middle half of 23 sold 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 | 3 | $633 | $633 | 33.3% | 2001-09-13 |
| Paintings | 192 | $25,655†‡ | $198,060 | 75% | 2026-05-13 |
| Works on Paper | 63 | $1,590‡ | $16,780 | 49.2% | 2025-11-22 |
| Masterpieces (top of market) | 11 | $118,618‡ | $285,103 | — | 2025-03-28 |

† hammer price — buyer's premium not included.

‡ reported price — whether it includes the buyer's premium is not yet verified.

Alexander's market splits by medium. Prints & Editions (3 lots) median $633 with 33.3% sell-through. Paintings (192 lots) median $25,655, record $198,060. A typical Alexander painting sells for around 41× the price of a typical print. At the top of the market (top 5% of sales, 11 lots) the median is $118,618.

## Price by size

### Paintings

| Size | Sold lots | Typical range (p25–p75) | Median | Record |
|---|---|---|---|---|
| small (under 50 cm) | 12 | $5,384–$11,016‡ | $9,523‡ | $13,461 |
| medium (50–120 cm) | 124 | $17,249–$45,605†‡ | $26,966†‡ | $198,060 |
| large (over 120 cm) | 8 | $32,696–$119,240‡ | $81,722‡ | $155,862 |

† hammer price — buyer's premium not included.

‡ 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 |
|---|---|---|---|---|
| small (under 50 cm) | 23 | $618–$2,514‡ | $1,053‡ | $9,789 |
| medium (50–120 cm) | 8 | $3,971–$9,571‡ | $5,850‡ | $16,780 |

‡ 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 |
|---|---|---|
| Paintings | 2009 | $198,060 |
| Paintings | 2009 | $165,095‡ |
| Works on Paper | 2019 | $16,780 |
| Works on Paper | 2015 | $10,526 |
| Prints & Editions | 2001 | $633 |

‡ 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 Alexander worth?

Across 200 sold lots tracked by OpeningBid, the median price of a Alexander work is $18,992. The median Alexander painting sells for $25,655 across 144 lots. The median Alexander work on paper sells for $1,590 across 31 lots. The median Alexander print sells for $633 across 1 lots. Medium (50–120 cm) Alexander paintings typically sell for $17,249–$45,605 (the middle half of 124 sold lots). Small (under 50 cm) Alexander work on papers typically sell for $618–$2,514 (the middle half of 23 sold 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 Alexander painting?

Based on 144 sold lots tracked by OpeningBid, the median auction price of a Alexander painting is $25,655. 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 Alexander's most expensive painting?

The highest price recorded at auction for a Alexander painting is $198,060.

### What is the average price of a Alexander work on paper?

Based on 31 sold lots tracked by OpeningBid, the median auction price of a Alexander work on paper is $1,590. Some prices are not yet basis-verified (premium-inclusive or hammer).

### What is Alexander's most expensive work on paper?

The highest price recorded at auction for a Alexander work on paper is $16,780.

### What is the average price of a medium Alexander painting?

Based on 124 sold lots, the median auction price of a medium Alexander painting (medium (50–120 cm)) is $26,966, 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 the average price of a small Alexander work on paper?

Based on 23 sold lots, the median auction price of a small Alexander work on paper (small (under 50 cm)) is $1,053, according to OpeningBid's index of auction results. Some prices are not yet basis-verified (premium-inclusive or hammer).

### What is Alexander's auction record?

Alexander's auction record is $285,103, set in 2008.

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Data last updated 2026-11-03. OpeningBid tracks 15,596,131 auction lots from 579 auction houses, refreshed nightly.

Cite this page as: OpeningBid, “Alexander auction prices”, https://www.openingbid.art/artist/alexander-koester (updated 2026-11-03).

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.