1 to 28 of 28
- Bulgaria, 1889
- 15s
- 1917
- 1921
- 1924
- 1931
- 4l
- 1933
- 1935
- 1938
- 1940
- 1942
- 1945
- 1948
- 1953
- airmail, 1946
- postage due, 1884
- 1886
- 1887
- 1892
- 1893
- 5s
- 1896
- 5s
- 1901
- 1919
- 1947
- 8l
- postal tax, 1925
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