Late 1930s Guatemala commercial airmail cover from Erich Pese, Ingeniero Mecanico / Taller Auto-Salon, Guatemala C.A., addressed to The Gibson Company (Est. 1898), Indianapolis, USA — a named commercial addressee of collector interest — franked with three Guatemala definitives including the 15c 'Parque Central Antigua,' 3c Quetzal, and a 1-quetzal high-value (Scott areas 264/283), tied by a bold 'CORREO INTERNACIONAL / GUATEMALA' circular datestamp; the cover is a period illustrated 'Correo Aereo' airmail envelope featuring a large blue biplane vignette with bold red 'CORREO / AEREO' lettering — a thematically attractive design — with a small adhesive remnant at upper-left corner, age toning, and overall wrinkling consistent with the era. Please review the scans for condition.