Mario Argenta

Stamps Year 1977 . Mario Argenta

Admiral Guillermo Brown.
Argentina
150 years of the Uruguayan mail.
Uruguay
150 years of the Uruguayan Post Office.
Uruguay
Coat of arms and map of the department of Río Negro.
Uruguay
150 years of the Uruguayan mail.
Uruguay
Express Mail Service.
Uruguay
Reproduction of the painting -El Matrero- by Juan M. Blanes.
Uruguay
Reproduction of the painting -La Yerra- by Juan Manuel Blanes.
Uruguay
100 years of the railway.
Nicaragua