Costa Rica — 10 centavos postal stamp — Publisher U.P.U.

Description

Old postcard from Costa Rica franked with a 10 centavos stamp, issued by Costa Rica's Correos and bearing the inscription 'U.P.U.' (Universal Postal Union). The stamp, in brown-red, features a central coat of arms. The reverse, partially visible, shows an envelope with light folds and faint stains, without readable text or correspondence.