Black Onyx Silver Art Deco Bracelet Signed DGJ

Womens Art Deco Fashion Bracelet Black Onyx Rectangular Links Silver Signed DGJ? I'm not sure of the signed initials. They seem to be DGJ but I could be wrong. Please see last photo that I enlarged best possible. Real nice pre-owned condition Please see measurement in photos Please do not hesitate to get in touch if you have questions. Thanks for looking!