The last ten stickers at the tail end of Topps 1967 Pirates Sticker set were given over to "fun" and humorous subjects that in some cases featured the team's better layers.  This nice PSA 6 of "Bob Clemente for Mayor" is such an example, seemingly borrowing some cheek from MAD Magazine.  This patriotically themed sticker looks fantastic and given the state of both sides, seems to have been graded a bit harshly by PSA.