Turkey
| Country: | Turkey |
| Type: | Postage stamps |
| Series: | On service stamps 1979 |
| Nominal: | 50 Turkish kuruş |
| Year: | 1979 |
| Size: | 20 x 25 mm |
| Perforation: | comb 13¼ x 13¾ |
| Mintage: | 25,000,000 |
On service stamps 1979
 On Service 0.24$ |  On Service 0.36$ |  On Service 0.73$ |  On Service 0.2$ |
 On Service 0.11$ |  On Service 0.07$ |  On Service 0.08$ |  On Service 0.04$ |
 On Service 0.12$ |  On Service |