South America

1946 The 100th Anniversary of the National Anthem

1945 Airmail Stamps – The 20th Anniversary of the First National Air Service

1945 Airmail Stamps – Panagra Airways, The 10th Anniversary of the First La Paz-Tacna Flight

1944 -1945 Airmail – Revolution of 20th December, 1943

1944 -1945 Revolution of 20th December, 1943

1943 Airmail – The 100th Anniversary of the Founding of El Beni

1943 The 100th Anniversary of the Founding of El Beni

1943 The 100th Anniversary of the Battle of Ingavi

1943 The 100th Anniversary of the Battle of Ingavi

1943 Mining Industry