Smithsonian Open Access Explorer — 1757
| Record | Record Date | Vuga Group | Change Status | Recency Days | Research Attention Score |
|---|---|---|---|---|---|
| 2 Kopeks, Russia, 1757 | 01/01/1757 | NMAH | unchanged | 98,490.43 | 0 |
| Record | Record Date | Vuga Group | Change Status | Recency Days | Research Attention Score |
|---|---|---|---|---|---|
| 2 Kopeks, Russia, 1757 | 01/01/1757 | NMAH | unchanged | 98,490.43 | 0 |