Bulgaria
| Country: | Bulgaria |
| Type: | Postage stamps |
| Series: | Insects |
| Nominal: | 5 ст |
| Year: | 1964 |
| Size: | 30 x 40 mm |
| Perforation: | line 11½ |
| Mintage: | 1,000,000 |
Insects
 Four-spotted Chaser 0.08$ |  Snake Fly 0.07$ |  Stag Beetle 0.05$ |  Firebug 0.09$ |
 European Mantis 0.38$ |  Great Green Bush-Cricket 0.03$ |  Red Wood Ant 0.18$ |  Pied Hoverfly 0.22$ |
 Forest Caterpillar Hunter 0.29$ |  Stag Beetle 0.29$ |  Huge Violet Ground Beetle 0.31$ |  European Rhinoceros Beetle 0.28$ |