Franz Theodor Aerni (1853–1918)
Franz Theodor Aerni is a Swiss artist with 22 auction lots recorded since 2009, median price $3,902. 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 Franz Theodor Aerni sold in 2025 for $17,418, according to OpeningBid's index of auction results.
See the full Franz Theodor Aerni record on OpeningBid — images, provenance, fair estimates and free sale alerts.
View Franz Theodor Aerni on OpeningBid →What is a Franz Theodor Aerni work worth?
Across 14 sold lots tracked by OpeningBid, the median price of a Franz Theodor Aerni work is $3,902.
The median Franz Theodor Aerni painting sells for $3,902 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 |
|---|---|---|---|---|---|
| Paintings | 18 | $3,902†‡ | $17,418 | 77.8% | 2026-05-22 |
† hammer price — buyer's premium not included. ‡ reported price — whether it includes the buyer's premium is not yet verified.
Price by size
Paintings
| Size | Sold lots | Typical range (p25–p75) | Median | Record |
|---|---|---|---|---|
| medium (50–120 cm) | 10 | $2,782–$4,746‡ | $3,826‡ | $17,418 |
‡ 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 | 2025 | $17,418 |
| Paintings | 2014 | $6,232† |
† 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 Franz Theodor Aerni worth?
Across 14 sold lots tracked by OpeningBid, the median price of a Franz Theodor Aerni work is $3,902. The median Franz Theodor Aerni painting sells for $3,902 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 Franz Theodor Aerni painting?
Based on 14 sold lots tracked by OpeningBid, the median auction price of a Franz Theodor Aerni painting is $3,902. 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 Franz Theodor Aerni's most expensive painting?
The highest price recorded at auction for a Franz Theodor Aerni painting is $17,418.
What is the average price of a medium Franz Theodor Aerni painting?
Based on 10 sold lots, the median auction price of a medium Franz Theodor Aerni painting (medium (50–120 cm)) is $3,826, according to OpeningBid's index of auction results. Some prices are not yet basis-verified (premium-inclusive or hammer).
What is Franz Theodor Aerni's auction record?
Franz Theodor Aerni's auction record is $17,418, set in 2025.
See the full Franz Theodor Aerni record on OpeningBid — images, provenance, fair estimates and free sale alerts.
View Franz Theodor Aerni on OpeningBid →