Postal cover.

Airmail envelope from Portugal bearing multiple Portuguese stamps, including a 25c commemorative inscribed "1840‑MAIO‑1940 Centenario do Selo Postal" (Rowland Hill) and a 5$ Correio Aéreo label, plus two blue stamps. "POR AVIAO" airmail marking is printed; an octagonal "LISBOA" cancellation is partially visible but no clear 4‑digit postmark year. Addressed in ink to 320 Fifth Avenue, New York City, with a handwritten "By Clipper" notation. Interior shows printed security/security-pattern design and evidence of taped repairs

Notes for Cover Collectors:
• High-resolution scans of front and back are provided; use zoom to inspect postmarks, cachet details, and backstamps.
• No third-party grading; condition is shown in the images.

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