VINTAGE HAMM'S MOTION SIGN, VERY RARE PIECE! One is burnt out and didn't check the other two. But I say they are also burnt out. Haven't used it in many years. The item "VINTAGE HAMM'S MOTION SIGN, VERY RARE PIECE" is in sale since Tuesday, August 6, 2019. This item is in the category "Collectibles\Breweriana, Beer\Signs & Tins\Hamm's". The seller is "mike000032" and is located in Clear Spring, Maryland.