Bulgaria, an ancient envelope since 1968. No. 2798/99
~051 €
ended
stoian76
Bulgaria first-day air mail envelope No. 1421/22 of 1963
~154 €
ended
stoian76
Bulgaria first day insect envelope from 2020
~770 €
1
ended
stoian76
Bulgaria Illustrated envelope with a tax mark from 2020. Insects
~128 €
1
ended
stoian76