SCG9987 - Guatemala 1965 Airmail – Mario Méndez Montenegro Memorial 3cA striking orange airmail commemorative from Guatemala honoring Mario Mndez Montenegro (19101965), a prominent national leader. The triangle frame highlights his roles as Apostol Lder Mrtir, emphasizing his political and ideological impact. Issued shortly after his death on 31 October 1965, this 3 centavos stamp features crisp steel engraved detail typical of Guatemalan airmail issues of the era. A desirable item for collectors of Latin American