(Canned Goods) John Hoffmann & Sons Co., Wholesale Grocers and Coffee Roasters. Lovely multicolor advertising on 1919 cover showing "Hoffmann's Quality Canned Goods" franked on reverse with 2¢ Washington-Franklin coil (scissor cut perfs) tied by "Milwaukee, Wis." machine cancel, reverse with multicolor advertisement showing box of "Old Time Coffee", tiny cover reduction at left, Extremely Fine and choice, a stunning ad cover. Estimate  $100 - 150. $0 (Image)