Antique Sterling Silver Belt Buckle Shop » Other Antiques & Collectables » Antique Sterling Silver Belt Buckle Antique Sterling Silver Belt Buckle A large, intricate Art Nouveau buckle, Birmingham, 1900. $195.00 1 A solid, heavy sterling silver buckle, hallmarked – Birmingham, 1900. It measures 3 1/2″ x 2 1/4″ (8.9 x 5.7 cm) and weighs a total of 45.7 grams.