Birth Centenary of A.M. Lyapunov (1857-1918), Mathematician 40 Russian kopek — URSS, 1957
Birth Centenary of A.M. Lyapunov (1857-1918), Mathematician (URSS, 1957), valeur faciale 40 Russian kopek, série « Birth and Death Anniversaries (1957) »…
- Série
- Birth and Death Anniversaries (1957)
- Date d’émission
- 1957
- Valeur faciale
- 40 Russian kopek
- Couleurs
- Brun-rouge
- Tirage
- 1,000,000