| Obverse description | San Marino`s three towers in a hexagon, the walls reminiscent of gears. |
| Obverse script | Latin |
| Obverse lettering | REPUBBLICA DI SAN MARINO LIBERTAS A.MASINI |
| Reverse description | Five gears, each representing a continent, which together with the word `harmony` in Italian form a movement of social cohabitation. |
| Reverse script | Latin |
| Reverse lettering | ARMONIA 20 €URO R 2007 |
| Edge | Reeded |
| Mint | R Rome, Italy (476-date) |
| Mintage | 2007 R - Proof - 3 000 |
| Catalog ID | 8913634830 |
| Comments |