Lovely real photo postcard by Piggott Photo (?) "Looking down Market Street from Twin Peaks, San Francisco". The card is numbered 557, and you can see all the way down Market to the Bay - beautiful view! The stamp box is EKC, so I'm guessing from the 1940s - enjoy -

Unposted. Nice sharp image. Slight curve as is common with real photo postcards. Corner and edge wear consistent with a vintage postcard.

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