Bulgaria
| Country: | Bulgaria |
| Type: | Postage stamps |
| Series: | Culture Series (III) |
| Nominal: | 12 ст |
| Year: | 1958 |
| Perforation: | comb 13 |
| Mintage: | 150,000 |
Culture Series (III)
 Michail Iwanowitsch Glinka |  Jan Amos Komensky |  Carl von Linné 0.83$ |  William Blake 0.83$ |
 Carlo Goldoni 1$ |  Auguste Comte 1$ |