2 7/8" large pendant with 8mm round unakite cab stone. Unique, modern, brutalist texture and design. Marked with a fish hallmark and STER, as shown. My guess it is from the 70s or 80s. All sterling silver with 20" long, 3mm wide rope chain, marked, ad tested. About 36g. 

In good condition. 

Shipping in the USA $6.50