RARE Vintage Original SPRATT’S Builds Up A Dog Dog Cakes Food Porcelain Sign. Up for sale is a RARE vintage original SPRATT’S Builds Up A Dog! Dog Cakes: Bonio, Mixed Ovals, Weetmeet dog pet food porcelain advertising sign. Wonderful piece, in very good used condition, as pictured, shows light chipping and staining, normal time wear – see detailed pictures. The sign measures 24″x12″, marked “341” on the bottom right corner. Super cool early original advertising piece, a must have for your collection, excellent display! Please see pictures for condition and details. Armada Antiques & Collectibles. Please see photos for details, let us know if you need any additional photo or information. The item “RARE Vintage Original SPRATT’S Builds Up A Dog Pet Food Porcelain Sign 24×12″ is in sale since Wednesday, April 26, 2017. This item is in the category “Collectibles\Advertising\Merchandise & Memorabilia\Signs\Original\1930-69″. The seller is “armada_antiques” and is located in Ogunquit, Maine. This item can be shipped worldwide.