This is a The Simpsons BART "UNDERACHIEVER" LARGE METAL PIN Collectible BUTTON from 1989. It is 6 inches wide. it has the pin in the back but also a cardboard piece that can but used to prop it up as a display piece. It is in great condition overall. It has general wear as expected from age, but nothing major.  Awesome Piece of 80's Memorabilia Please see pictures below.  EAG

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