568. U.S. Steelyard Scale. Lucite. Letter opener design. 10-3/4" long. Center leg acts as fulcrum. Handle ridged to hold letter; convex to serve as magnifying glass. Metal/lucite counterpoise with "line-up" marking slides along shaft calibrated in oz. (1/2-2). Signed: "Stamp-Teller U.S.A." Contained in box with instructions for use as postal scale, letter opener, and magnifier printed on inside of cover.