Bulgaria
| Country: | Bulgaria |
| Type: | Postage stamps |
| Series: | Medical plants |
| Nominal: | 3 ст |
| Year: | 1969 |
| Perforation: | line 10½ |
| Mintage: | 600,000 |
Medical plants
 Thyme 2.1$ |  Corn Poppy 0.1$ |  Adonis |  Mallow |
 Deadly Nightshade |  Real Chamomile 0.06$ |  Common Hawthorn 0.03$ |  Lily of the Valley 0.08$ |