British Three Pence Silver Coin 1940 Pendant Necklace in Sterling Silver 18"

This is a reversible coin pendant bezel that features a 3 pence piece from Great Britain, struck in 1940. I have placed it in a rugged oxidized custom coin mount that is 1 x 3/4". The silver content in the coin is .500. It features King George VI. All other metal is solid sterling silver. The chain is 18" and the piece weighs 4g.