150th aniversary of Silesian museum, Opava
30 h 1964
Czechoslovakia
0.07 - 0.08$
price on 06.12.2022
| Country: | Czechoslovakia |
| Type: | Postage stamps |
| Series: | Silesian Museum in Opava, 150th Anniversary |
| Nominal: | 30 h |
| Year: | 1964 |
| Size: | 33 x 27 mm |
| Perforation: | comb 11½ |
| Mintage: | 4,260,000 |