Uncommon example of the Panama-Pacific exposition slogan flag cancel from Los Angeles CA's University Station.  Weakly struck as always, with handstamp postmark in addition; sent to IL; view shows Mission San Luis Rey.  Bomar SF15-25H, used only May-July 1912, valued at $50 in the last print edition of Bomar.  Rated R in the Payne slogan book; valued at $40 on card in the Flag Cancel Encyclopedia.

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