Bulgaria
Battle of Akheloi in 917
| Country: | Bulgaria |
| Type: | Postage stamps |
| Series: | 1300th anniversary of the Bulgarian state |
| Nominal: | 5 ст |
| Year: | 1970 |
| Size: | 65 x 34 mm |
| Perforation: | line 10½ |
| Mintage: | 400,005 |
1300th anniversary of the Bulgarian state
 Khan Asparoukh, 681-701 0.1$ |  Khan Kroum, 803-814 0.13$ |  Boris I, 852-889 0.1$ |  Tsar Simeon I, 893-927 |
 Samuel, 976-1014 0.21$ |  Kaloyan, 1197-1207 |  Ivan Assen II, 1218-1241 |  King Ivailo, 1277-1280 2.6$ |