Mario Argenta

Stamps Year 1949 . Mario Argenta

                                           
Commemorative of the Oath of the Constitution
                                  Argentina
                                
100 years of the University of the Republic of Uruguay. 
                                  Uruguay
                                
4th. 
                                  Uruguay
                                
Plowing with oxen. 
                                  Uruguay
                                
75 years of the Universal Postal Union.
                                  Mexico
                                
75th anniversary of UPU, 1874-1949. 
                                  Peru
                                
Count of Porto Alegre.
                                  Brazil