Abe Martin comic, San Francisco Call (1912-02-07)Some folks pay a compliment like they expected a receipt.

Frank McKinney "Kin" Hubbard (1868-1930) American caricaturist and humorist
“Abe Martin” comic, San Francisco Call (1912-02-07)
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Through his Abe Martin character, Hubbard used this phrase in a variety of forms, popularizing (though not originating) it. More discussion about this: “Some people pay a compliment as if they expected a receipt” - The Big Apple - Barry Popik.