I don't recall that we have seen these four:
Coffee Cup Cafe - 8901 Pico Blvd. - 1920
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Hollywood Flower Pot - 1124 N. Vine St. - 1920
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Round House Cafe - 250 N. Virgil - 1929
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And here is the gem - The Airplane Cafe - Whereabouts Unknown - 1924
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Wings on a single wide!