| Issuer: Bulgaria
Date: 11/28/1970 (1970 sheets) Block 1 (1, 1 x 1) 1, 1: 1l d=Contrary to the Balkans by Sekul Krumov |
External links: Colnect 418194..Gallery_of_Art Record of changes |
| Issuer: Bulgaria
Date: 11/28/1970 (1970 sheets) Block 1 (1, 1 x 1) 1, 1: 1l d=Contrary to the Balkans by Sekul Krumov |
External links: Colnect 418194..Gallery_of_Art Record of changes |
