1960 - 1969
Bulgaria, Michel 1583-1588, Mint never hinged
1965. BULGARIA. Air transport in complete set never hinged.
Bulgaria, Michel 1148, Cover
1963. BULGARIA. Cover to Denmark (DANLANDO) with 6 stamps. PAR AVION. ESPERANTO.
Bulgaria, Mint never hinged
1967-1969. BULGARIA. Selection stamps and complete set never hinged.
Bulgaria, Mint never hinged
1965-1969. BULGARIA. Selection stamps and complete set never hinged.
Bulgaria, Mint never hinged
1969-1970. BULGARIA. Selection stamps and complete set never hinged.
Bulgaria, Mint never hinged
1970-1972. BULGARIA. Selection stamps and complete set never hinged.
Bulgaria, Mint never hinged
1972-1973. BULGARIA. Selection stamps and complete set never hinged.
Bulgaria, Mint never hinged
1974-1975. BULGARIA. Selection stamps and complete set never hinged.
Bulgaria, Mint never hinged
1974. BULGARIA. Selection stamps and complete set never hinged.
Bulgaria, Mint never hinged
1973-1074. BULGARIA. Selection stamps and complete set never hinged.
Bulgaria, Mint never hinged
1973-1975. BULGARIA. Selection stamps and complete set never hinged.
Bulgaria, Mint never hinged
1962-1964. BULGARIA. Selection stamps and complete set never hinged.
Bulgaria, Mint never hinged
1964-1966. BULGARIA. Selection stamps and complete set never hinged.
Bulgaria, Mint never hinged
1963-1967. BULGARIA. Selection stamps and complete set never hinged.
Bulgaria, Mint never hinged
1966. BULGARIA. Selection stamps and complete set never hinged.
Bulgaria, Mint never hinged
1966-1968. BULGARIA. Selection stamps and complete set never hinged.
Bulgaria, Michel 1338, Cover
1962. FDC 18-8-62.