This elegant Argentine stamp was issued in 1949 to commemorate the 75th Anniversary of the Universal Postal Union (UPU), founded in 1874 to unify global postal systems. The design, engraved in deep olive green, features two allegorical female figures symbolizing nations exchanging communication across the world, with a globe and a flying dove representing international peace and correspondence. The denomination is 25 centavos, and the inscription “Unión Postal Universal – LXXV Aniversario” emphasizes Argentina’s participation in this international milestone. The bottom margin credits engraver Baiardi and the Casa de Moneda de la Nación, Argentina’s national mint, underscoring the precision of the country’s classic mid-century engraving tradition.