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Desc: 50s
Currency: Ecuadorian sucre (100c=1s)
Numerical sorting value: 300000
Users of this denom: Ecuador (27 stamps, 1970-1989)
Used by 27 stamps of Ecuador: (See all uses as list)
1970 50s issue=1970 ovpt b oc=blk on=type=revenue-2s
airmail 11/15/1971 50s issue=11th Pan-American Highway Congress d=Mountain Road & Monument on Ecuador
airmail 10/9/1973 50s dt=coins (1973 Ecuador) d=Gold Coin of 1928
airmail 11/25/1980 50s dt=orchids (1980 Ecuador) d=Helcia sanguinolenta
airmail 2/11/1981 50s issue=Galapagos Islands 1981 d=Chelonoidis nigra (1981)
6/22/1985 50s issue=100th Anniversary of Valdez Sugar Refinery d=Sugar water tower refinery
2/12/1986 50s issue=Galapagos Islands 1986
2/12/1986 50s issue=Galapagos Islands 1986 d=Chelonoidis nigra (1986)
2/12/1986 50s issue=Galapagos Islands 1986
2/12/1986 50s issue=Galapagos Islands 1986
2/12/1986 50s issue=Galapagos Islands 1986
3/6/1986 50s issue=25th Anniversary of Inter-American Development Bank
1/6/1988 50s issue=100th Anniversary of the Death of Luis Vargas Torres d=Luis Vargas Torres
3/11/1988 50s issue=60th Anniversary of Social Security Work
5/12/1988 50s issue=60th Anniversary of Avianca d=Boeing 720-059D
7/25/1988 50s issue=60th Anniversary of Military Geographical Institute
7/29/1988 50s issue=100th Anniversary of Salesian Brothers in Ecuador
5/2/1989 50s issue=50th Anniversary of Ruminahui State wmk=emblem & INSTITUTO GEOGRAPHICO MILITAR
5/10/1989 50s issue=10th Anniversary of the Death of Benjamin Carrion Mora d=Benjamin Carrion Mora wmk=emblem & INSTITUTO GEOGRAPHICO MILITAR
6/20/1989 50s issue=100th Anniversary of Guayaquil Chamber of Commerce wmk=emblem & INSTITUTO GEOGRAPHICO MILITAR
7/7/1989 50s issue=60th Anniversary of Ministry of Public Works and Communications wmk=emblem & INSTITUTO GEOGRAPHICO MILITAR
7/7/1989 50s issue=60th Anniversary of Ministry of Public Works and Communications wmk=emblem & INSTITUTO GEOGRAPHICO MILITAR
7/7/1989 50s issue=60th Anniversary of Ministry of Public Works and Communications wmk=emblem & INSTITUTO GEOGRAPHICO MILITAR
7/7/1989 50s issue=60th Anniversary of Ministry of Public Works and Communications wmk=emblem & INSTITUTO GEOGRAPHICO MILITAR
7/7/1989 50s issue=60th Anniversary of Ministry of Public Works and Communications wmk=emblem & INSTITUTO GEOGRAPHICO MILITAR
7/11/1989 50s issue=200th Anniversary of French Revolution d=Fresco in the Cathedral of Quito wmk=emblem & INSTITUTO GEOGRAPHICO MILITAR
11/11/1989 50s issue=100th Anniversary of the Death of Juan Montalvo wmk=emblem & INSTITUTO GEOGRAPHICO MILITAR
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