Catalog
1907.00 BGN
1909.00 BGN
1912.00 BGN
1918.00 BGN
1919.00 BGN
1929.00 BGN
1930.00 BGN
1933.00 BGN
1936.00 BGN
1939.00 BGN
1949.00 BGN
1959.00 BGN
1966.00 BGN
1969.00 BGN