Mario Argenta

Stamps Year 1971 . Mario Argenta

Petrochemical Industry of the Argentine Republic.
Argentina
Centennial of the astronomical observatory of the city of Córdoba.
Argentina
Images, flowers and colors by Horacio Butter.
Argentina
150 years of the independence of Peru.
Argentina
Puente del Inca, natural rock formation over the Las Cuevas River, in the province of Mendoza.
Argentina
Andrés Martinez Trueba.
Uruguay
75 years of the Bank of the Eastern Republic of Uruguay.
Uruguay
Claudio Williman 1861 - 1934, Uruguayan lawyer, teacher and politician.
Uruguay
The vote is secret - obligatory - universal.
Uruguay
Uruguayan mineralogy.
Uruguay