"Black Alum." 1950's eyeglasses are clear plastic with black arms and engraved accents. These are new/old stock, unfortunately part of the clear plastic has begun to yellow. Marked 46-20. Hinge to hinge measurement is 4 7/8" wide. Arms are 5 3/4" long. Price ... $45 SOLD e-mail webmaster@vintageous.com © Copyright 2001 Vintageous. All rights reserved. Reproduction or adaptation of this page or its contents is prohibited.