Bulgaria
| Country: | Bulgaria |
| Type: | Postage stamps |
| Series: | Butterflies (1998) |
| Nominal: | 600 лв |
| Year: | 1998 |
| Size: | 29 x 44 mm |
| Perforation: | comb 13 x 13¼ |
| Mintage: | 120,000 |
Butterflies (1998)
 Southern White Admiral 0.04$ |  Painted Lady 0.05$ |  Red Admiral 0.05$ |  Grüner's Orange Tip |