Switzerland
Switzerland 1971 - 2nd decade of development 1v
Switzerland 1970 - Badge of the "Pro Infirmis" foundation
Switzerland 1971 - World Conference of space telecommunications 1v
2016 Opening of the Gotthard Railway Tunnel
Switzerland 1966 - Pro Patria - The 100th Anniversary of the Birth of Heinrich Federer
2017 Stamp Day - The 90th Anniversary of the Sainte-Croix Philatelic Society
1965 National Philatelic Exhibition NABRA, Bern
1971 National Philatelic Exhibition NABA 1971, Basel
Switzerland 1971 - Pro Juventute 4v