Vintage RPPC WWI Biplane USAS Scout Seaplane Flying Over River Military Aircraft For Sale

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Fascinating vintage Real Photo Postcard (RPPC) capturing a U.S. Air Service (U.S.A.S.) scout seaplane in flight, skimming low above a river or lake with a scenic, rolling hillside landscape in the background. The negative features a neat white handwritten caption inscribed directly along the lower water line: "U.S.A.S. Scout." An exceptional piece of early military aviation history from the World War I era.

Key Details:

• Type: Real Photo Postcard (RPPC)

• Format: Standard RPPC postcard size (~3.5" x 5.5")

• Paper Stock / Back Style: Unmarked "POST Card" divider back with stylized retro font typical of early 20th-century photographic paper stocks.

• Condition: Unposted, clear photographic contrast, minor age toning and soft corner wear appropriate for vintage paper ephemera. Please inspect high-resolution scans for exact cosmetic condition.