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Desc: 250um
Currency: Mauritanian ouguiya (1um) Numerical sorting value: 15000 Users of this denom: Mauritania (3 stamps, 1974-1978) Used by 3 stamps of Mauritania: (See all uses as list) 2/25/1974 250um issue=Space Travel 2/25/1974 250um issue=Space Travel 6/7/1978 250um issue=French-African Cooperation All are airmail |