Vintage Brass Figural Scallop Shell Door Knocker Consign Now Dept20th Century Design, Collections, Decorative ArtsSize6.25 in. x 6.5 in. Vintage Brass Figural Scallop Shell Door Knocker, solid brass. 6.25 in. x 6.5 in. Please note that this auction has ended. Click here for an overview of this auction.