Bulgaria
| Country: | Bulgaria |
| Type: | Postage stamps |
| Series: | Cacti (1980) |
| Nominal: | 53 ст |
| Year: | 1980 |
| Perforation: | comb 13 |
| Mintage: | 260,000 |
Cacti (1980)
 Hedgehog cactus 0.09$ |  Echinopsis bridgesii 0.1$ |  Echinocereus purpureus 0.12$ |  Opuntia bispinasa 0.2$ |
 Mamillopsis senilis |