Argentina President Justo José de Urquiza, Pact of San José de Flores, Annexation of Buenos Aires.

This 1959 Argentine stamp commemorates President Justo José de Urquiza and the Pact of San José de Flores, marking the annexation of Buenos Aires. The stamp features a portrait of Urquiza alongside imagery related to the historical event, presented with a classic design and good condition, showcasing Argentina's pivotal political history.