I don't think the post card he was referring to has anything to do with Pink Floyd.

And if your point is "if he doesn't know WYWH he shouldn't have a pink floyd sticker" well then my answer is "it doesn't matter." It's like the whole "Pink Floyd shirts at Target" debate. Oh no! People who don't know the whole catalogue are advertising their slight interest in the band! Those bastards!

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One eyed, one horned