Czechoslovakia
Valid to 1939-12-15 in Protectorate Bohemia and Moravia, valid to 1940-07-31 in Slovakia
| Country: | Czechoslovakia |
| Type: | Postage stamps |
| Series: | Delivery stamps |
| Nominal: | 50 h |
| Year: | 1937 |
| Perforation: | comb 13½ x 13¼ |
