Bulgaria
| Country: | Bulgaria |
| Type: | Postage stamps |
| Series: | International women's day |
| Nominal: | 28 ст |
| Year: | 1960 |
| Size: | 31 x 37 mm |
| Perforation: | line 11 |
| Mintage: | 100,000 |
International women's day
 Vela Blagoeva |  Anna Maimunkova |  Vela Piskova |  Rosa Luxemburg |
 Clara Zetkin |  Nadeschda Krupskaja |