Pan American World Airways "Strato" Clipper

Front:
STRA GIPER PAA NIO25V PAN AM ERICAN WORLD AIRWAYS

Back:
PAA Double-decked “Strato" Clippers *, world's largest, finest, most luxurious airliners, fly Pan American's exclusive “President" service. Only these modern sky giants offer you a choice of Sleeperette* service or roomy berth, congenial lower deck lounge- unmatched travel luxury day and night. WORLD'S MOST EXPERIENCED AIRLINE IN *TRADE MARK, PAN AMERICAN WORLD AIRWAYS, INC.