| Issuer | Switzerland (1848-date) |
| Year | 2025 |
| Type | Non-circulating coin |
| Value | 20 Francs |
| Currency | Franc (1850-date) |
| Composition | Silver (.999) |
| Weight | 20 g |
| Dimensions | 33 mm |
| Thickness | |
| Shape and Technique | Round Milled |
| Orientation | Medal alignment ↑↑ |
| Engraver(s) | |
| In circulation to | |
| Reference(s) |
| Obverse description | Eureka, a sculpture created by Jean Tinguely in 1964, made up of interlocking wheels and mechanisms. |
| Obverse script | Latin |
| Obverse lettering | Jean Tinguely 1925 HEUREKA 1964 |
| Reverse description | Stylised portrait of Jean Tinguely. |
| Reverse script | Latin |
| Reverse lettering | CONFOEDERATIO HELVETICA 2025 20 FR B |
| Edge | Script: Latin |
| Mint | B Bern, Switzerland(1225-date) |
| Mintage | 2025 B - - 7 500 2025 B - Proof - 3 500 2025 B - Proof; Collector`s Edition - 1 000 |
| Catalog ID | 2414096670 |
| Comments |
