250th Birth Anniversary of Leonard Euler (1707-1783) 40 Soviet kopek — USSR, 1957
250th Birth Anniversary of Leonard Euler (1707-1783) (USSR, 1957), face value 40 Soviet kopek. Photo, catalogue value, details and photo identification.
- Series
- 250th Birth Anniversary of Leonard Euler (1707-1783)
- Issue date
- 1957
- Face value
- 40 Soviet kopek
- Colors
- Dark grey | Lilac
- Print run
- 1,000,000
- Michel
- SU 1936C
- Stanley Gibbons
- SU 2070a