Poland
0.09 - 0.11$
price on 16.02.2023
| Country: | Poland |
| Type: | Postage stamps |
| Series: | 4th intl. Parasitological Congress |
| Nominal: | 6 zł |
| Year: | 1978 |
| Size: | 32 x 44 mm |
| Perforation: | comb 11½ x 11¼ |
| Mintage: | 3,552,000 |
4th intl. Parasitological Congress
 Anopheles Mosquito (Anopheles maculipennis), Blood Cells 0.07$ |  Tsetse Fly (Glossina) and Blood Cells 0.09$ |