| Issuer | Russian Empire |
| Year | 1766 |
| Type | Pattern |
| Value | 1 Rouble (1 Рубль) |
| Currency | Rouble (1700-1917) |
| Composition | Silver (.750) |
| Weight | 24 g |
| Dimensions | 38 mm |
| Thickness | |
| Shape and Technique | Round |
| Orientation | Medal alignment ↑↑ |
| Engraver(s) | |
| In circulation to | |
| Reference(s) | KM#Pn39, Bit#974, Conros#509/14 |
| Obverse description | Bust of Catherine II facing right. |
| Obverse script | Cyrillic |
| Obverse lettering | Б∙М∙ЕКАТЕРИНА∙II∙ІМП∙IСАМОД∙ВСЕРОС
СПБ (Translation: By the grace of God Catherine II Empress and Autocrat of all Russia SPB) |
| Reverse description | Two-headed eagle with a crown above. Denomination, year. |
| Reverse script | Cyrillic |
| Reverse lettering | 1766
МОНЕТА∙ РƔБЛЬ∙
Я I (Translation: 1766 Coin Rouble Ya I) |
| Edge | |
| Mint | СПБ Saint Petersburg / Leningrad / Petrograd, Russia (1724-date) |
| Mintage | 1766 СПБ ЯI - - |
| Catalog ID | 1432357830 |
| Comments |
