Foucault pendulum
53%
| Country: | Cinderellas |
|---|---|
| Issue: | Ukriane - Donetsk Peoples's Republic |
| Date: | 2018-09-04 |
| Print: | Offset lithography |
| Emission: | Commemorative |
| Format: | Souvenir Sheet |
| Face Value: | 40 Russian ruble |