Architecture, Booklets, Buildings, EUROPA, EUROPA 2020, Forts/Castles, History/Story, Mail, Mail Transport/Coach/Train/Steamer/Packet, Maps, Se-tenant stamps
EUROPA 2020 Issues – Bulgaria- Booklet

Architecture, Booklets, Buildings, EUROPA, EUROPA 2020, Forts/Castles, History/Story, Mail, Mail Transport/Coach/Train/Steamer/Packet, Maps, Se-tenant stamps