Keywords: Uruguay 1880-82 ScO1 B4 DO.jpg en Uruguay 1880-82 ScO1 official stamp 'OFICIAL' overprint on definitive stamp of 1877 Unused block of four double overprint Catalogue Sc O1 1880 1882 own scan Uruguay Post other versions See more images Uruguay 1880-82 ScO1 jpg Uruguay 1880-82 ScO1 B4 jpg Uruguay 1880-82 ScO1 B4 DO jpg Uruguay 1880-82 ScO1 B4 IO jpg Uruguay 1880-82 ScO1 B4 DIO jpg LangSwitch Uruguay 1880-82 official stamp 'OFICIAL' overprint on definitive stamp of 1877 Custom license marker 2016 04 16 PD-Uruguay PD-old-100 Stamps of Uruguay 1880 Official stamps of Uruguay Rouletted stamps Overprints on stamps of Uruguay Stamps with overprint error |