Primitive Colonial Antique Wilton Pewter Bicentennial Eagle Short Mug. Americana and Pewter, how can you beat that. E. Pluribus Unum 1776 1976 Bicentennial Short style mug. Marked. RWP USA. Great for a primitive hutch or shelf display in your home. Size is 3 1/2"x 4 " with handle. Only 2 Available.