Bulgaria
| Country: | Bulgaria |
| Type: | Postage stamps |
| Series: | Universiade 1961 (I) |
| Nominal: | 45 ст |
| Year: | 1961 |
| Perforation: | line 11 |
| Mintage: | 300,000 |
Universiade 1961 (I)
 Water polo 0.11$ |  Tennis 0.08$ |  Fencing 0.16$ |  Discus Throw |
 Gym 0.31$ |  Basket Ball 1.6$ |