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desc_issuer: Guatemala desc_year: 1991 Related descs: issuer=Guatemala-1990 issuer=Guatemala-1992 Not used by any overprinted stamps. Matches 4 types: Guatemala postage 10/1/1991 9c blk issue=1987 d=Asturias Cultural Center unwmk Guatemala airmail 5/8/1991 0.20q ultra issue=100th Anniversary of National Defence Staff unwmk Guatemala airmail 7/30/1991 0.10q multi issue=America 1991 unwmk Guatemala airmail 7/30/1991 0.60q multi issue=America 1991 unwmk |