Mario Argenta

Colection

75th anniversary of the UPU, president Gregorio Pacheco.
Bolivia
130th anniversary of Murillo's death.
Bolivia
Allegories of Liberty, overloaded post office 1912.
Bolivia
Allegories to Freedom.
Bolivia
Centennial of the Del Beni department.
Bolivia
Condor.
Bolivia
Coat of arms of Paraguay.
Paraguay
Coat of arms of Paraguay.
Brazil
Coat of arms of Paraguay.
Paraguay
Coat of arms of Paraguay.
Paraguay