This is a 1980s vintage sterling silver abstract pendant slide on a 16" necklace snake chain. The pendant appears to be handmade and is unmarked but tests positive as sterling silver. The necklace is marked 925 for sterling silver on the lobster claw clasp. The pendant is rectangular with irregularly shaped edges and textured surface. The center has a framed spiral coil of wire. The chain is a stiff snake chain.
This necklace and pendant weigh 14 gr. The pendant measures 1" x .875". The chain is 16" long.
Condition is good, with some expected tarnish.
If you like a mod abstract design, then this necklace is sure to please you.