James A. Porter
Auction results and verified valuations · 21 tracked lots
Lots analysed
21
Realised price range
€633 – €46,736
Average price
€9,476
Median price
€5,980
Tracked works period
1940 – 1998
Every figure on this page comes from verified auction results, harvested by our intelligence engine across multiple international sources. No AI-generated estimates — only prices actually achieved at hammer. Refreshed regularly.
Where they are sold
Verified sources distribution
| Source | Lots |
|---|---|
| Source 1 | 21 |
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