Saint-Brieuc Cathedral Basilica - Federation of Philatelic Societies Congress 20.5.1972

Saint-Brieuc Cathedral Basilica (Basilique-Cathédrale Saint-Étienne de Saint-Brieuc) is a Roman Catholic cathedral, and a national monument of Brittany (France), located in the town of Saint-Brieuc.

Federation of Philatelic Societies Congress was held here in 1972.

51st National Congress Of The French Federation of Philatelic Societies 17.5.1978

The 51^st  National Congress Of The French Federation of Philatelic Societies was held at Troyes in 1978.

Thank you Merja.