Rare Vintage Do The Dew Mountain Dew Bar Cub Party Light Lamp Neon Sign. The item “Rare Vintage Do The Dew Mountain Dew Bar Cub Party Light Lamp Neon Sign” is in sale since Thursday, July 11, 2019. This item is in the category “Collectibles\Lamps, Lighting\Neon”. The seller is “musta_5325″ and is located in Lee’s Summit, Missouri. This item can be shipped to United States.