Bulgaria
| Country: | Bulgaria |
| Type: | Postage stamps |
| Series: | PhILASERDICA ’79, Sofia (II) |
| Nominal: | 23 ст |
| Year: | 1978 |
| Perforation: | comb 12½ x 12 |
| Mintage: | 180,000 |
PhILASERDICA ’79, Sofia (II)
 Les Halles, N. Petkov 0.11$ |  Sofia, E. Stoitchev 0.17$ |  Sofia, B. Ivanov 0.16$ |  Tolbouchine Boulevard, N. Tanev |
 National Theatre, N. Petrov |  Market's square, Anton Mitov 0.39$ |