Two men stop you on your way to the local post office. One flashes a badge at you. They tell you about a top secret sting operation they are about to execute and they need your help. They can't give you any of the details, only that you are to walk into the post office, go up to the counter with the gentleman named Bert working it, and you have to say to him, "My stamps are lookoing a bit square these days, if you know what I mean."

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