Bulgarian history (1975) design type (#7550)

(See all uses as list)

Bulgaria 11/27/1975 1s d=Revolt against the Turks 1403 perf=13.25x13

Bulgaria 11/27/1975 2s d=Vladislav III in battle 1443-1444 perf=13.25x13

Bulgaria 11/27/1975 3s d=Uprising of Tirnovo 1598 & 1686 perf=13.25x13

Bulgaria 11/27/1975 10s d=Uprising of Liprovsko 1688 perf=13.25x13

Bulgaria 11/27/1975 13s d=Haiduken 17th century perf=13.25x13

Bulgaria 11/27/1975 18s d=Return of the exiled farmers 17th century perf=13.25x13