Valery F. Bykowski and Valentina V. Tereshkova 20+10 ст — Bulgaria, 1963
Valery F. Bykowski and Valentina V. Tereshkova (Bulgaria, 1963), face value 20+10 ст, “Group Flight of "Vostok 5" and "Vostok 6"” series. Photo, catalogue…
- Series
- Group Flight of "Vostok 5" and "Vostok 6"
- Issue date
- 1963
- Face value
- 20+10 ст
- Colors
- Bluish green | Yellow green
- Print run
- 400,000