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Mickey Finn by Lank Leonard is a comic strip that has been described by comic strip historian Allan Holtz as "so low-key as to be practically no key at all", but I think that was part of its appeal. The titular Mickey is an Irish-American policeman who does police work, but never really gets into anything too exciting or dangerous, and has family and romantic drama, but never anything too serious. It's one of those comfort strips that, were it still around, would be much like a Rex Morgan or Mary Worth, endlessly rehashing the same stories year after year and that people never actually read but appreciate that their local newspaper still carries them. Besides, Charles Schulz is reported to have said that it was his father's favorite comic strip. What more do you need?
So yes, the joke in this particular strip is old and tired (man refuses to give the same thing to his girlfriend for Christmas that he gets her every year, looks for something different, and finally settles on the same old thing), and it was probably already old by the time it was used in this strip in 1937, but that's okay. I think the dialogue between Mickey and Uncle Phil is great, and Mickey carrying around a bundle of presents with him as they go from store to store is a very fun visual. Plus, I just love the expression on the perfume lady's face. I imagine this is how all retail workers feel during Christmas shopping season.