Ecuador
1939 Ecuadorean Victories at South American Olympic Games, La Paz
1939 Ecuadorean Victories at South American Olympic Games, La Paz
1938 Airmail – Overprinted “AEREO SEDTA” and Surcharged
1938 Airmail – Overprinted “AEREO SEDTA” and Surcharged
1938 National Progress Exhibition – Inscribed “1830 – 1937”
1938 National Progress Exhibition – Inscribed “1830 – 1937”
1938 Airmail – The 150th Anniversary of U.S. Constitution
1938 Airmail – The 150th Anniversary of U.S. Constitution
1938 The 150th Anniversary of U.S. Constitution
1938 The 150th Anniversary of U.S. Constitution