Bolivia

1976 The 50th Anniversary of the Lufthansa Airline

1976 Navy Day

1976 Bolivian Geological Institute

1976 The 1st Anniversary of the Death of President Chiang Kai-shek

1975 Airmail Stamps – The 100th Anniversary of UPU, 1974

1975 Francisco Burdett O’Connor

1975 “Exfivia 75” Stamp Exhibition

1975 Airmail – Presidents of Bolivia

1975 Airmail – Presidents of Bolivia

1975 Stamp Exhibitions 1975-1977