Large fragment of parcel post cover of the "Oficina de Depósito, Reparto y Canje Internacional de Publicaciones" sent to Belgium, franked by 1P. green of 1901 (Sc.O91, high value of the set) with two diamond punch holes, excellent quality, very rare! (Image)

Card sent to Belgium on 4/AU/1903, franked by pair Sc.O84 with two diamond punch holes, with the rare first marking of official recommendation "OFICINA DE CORRESPONDENCIA - Nº - OFICIAL Y PRENSA", and several markings, scarce! (Image)

Front of cover of the Office of Census and Statistics sent to England on 28/MAR/1904, franked by pair Sc.O84 with two diamond-shapped punch holes, VF quality, rare! (Image)

Card of the National Museum sent to USA on 28/DE/1905, franked by pair Scott O84 with two diamond punch holes each, very nice! (Image)

Cover of the Jefatura Política y de Policía of Rivera sent by registered mail to President Battle y Ordoñez on 19/NO/1906, with interesting postal marks, VF quality, rare! (Image)

Large fragment of parcel post cover sent to Belgium on 30/MAR/1907, franked by block of 6 Sc.O99 with two diamond punch holes each, VF quality, rare! (Image)

Wrapper sent by the National Museum to France in August 1907, franked by Sc.O88 UNPUNCHED, with Grenoble arrival handstamp for 30/AU, VF quality, rare! (Image)

Cover of the National Primary School Inspectorate sent to USA on 5/FE/1910, franked by pair Sc.O99 with two diamond-shapped punch holes each, and a rectangular 52x35 mm "OFICINA DE CORRESPONDENCIA - OFICIAL Y PRENSA" handstamp, VF and rare! (Image)

Registered cover sent to Italy on 15/OC/1912, with label of the Oficina de Correspondencia Oficial y Prensa in GREEN, franked by Sc.O113 strip x3 (one with defects) + O115, all with two crown-shapped punch holes, very rare! (Image)

Large fragment of parcel post cover sent to Belgium on 13/FE/1913, franked by Sc.O113 with two spear head punch holes + O115 with two crown punch holes, VF and rare! (Image)

Large fragment of parcel post cover sent to Belgium on 13/MAY/1913, franked by Sc.O112 with two star punch holes, VF quality, rare! (Image)

Large fragment of parcel post cover of the University of Montevideo sent to Belgium on 24/DE/1913, franked by Sc.O114 with two clover punch holes, and postmarked "Correspondencia Oficial-Montevideo" in large double circle datestamp, VF, rare! (Image)

Large fragment of parcel post cover sent to Belgium on 23/JUN/1914, franked by pair Sc.O113 with two star punch holes each + O115 with two clover punch holes, VF and rare! (Image)

Registered cover sent to Germany on 9/NO/1914, franked by Sc.113 + O115, both with two star punch holes, VF quality, rare! (Image)

Large fragment of parcel post cover sent to Belgium on 25/FE/1915, franked by Sc.O114 with two star punch holes, VF and rare! (Image)

Small cover of the Ministry of Foreign Affairs sent stampless to Argentina on 19/MAR/1915 by registered mail, with violet "S.O." handstamp, backstamped "CORRESPONDENCIA OFICIAL Y PRENSA", VF and rare! (Image)

Registered cover sent to France on 11/NO/1916, franked by Sc.O122 with two star-shapped punch holes, little defects, good appeal, very rare! (Image)

Wrapper sent to Belgium, franked by Sc.O120 with two clover punch holes, VF quality, rare! (Image)

Large fragment of parcel post cover sent to Belgium on 7/AP/1919, franked by Sc.O119 with two star punch holes, very handsome and rare! (Image)

Large fragment of parcel post cover sent to Belgium on 2/JUN/1921, franked by Sc.O125 with two star punch holes, VF quality, rare! (Image)

Large cover of the Post of Uruguay sent to Sweden on 26/JUL/1924, franked with 30c. consisting of Sc.O133 pair + 135, all with a star punch hole, VF quality, rare! (Image)

Registered cover sent to Italy on 20/NO/1930, franked by pair of regular mail stamps Sc.293 with a star punch hole each, rare! (Image)

Large fragment of official cover sent to Argentina, franked by a regular mail stamp Sc.304 with a clover punch hole, very handsome! (Image)

Cover sent to Italy on 23/MAR/1931, franked by a regular mail stamp Sc.293 with a clover punch hole, VF quality, rare! (Image)

Cover of the Ministry of Public Health sent stampless to Argentina on 10/AU/1938, datestamped "SUCURSAL DE ZONA - A1 - MONTEVIDEO", with machine backstamps "Vaccinate your cattle against anthrax ..." and "Chaco peace..", VF! (Image)