Fantastic ASCH GROSSBARDT sterling silver and 18k gold mosaic Picasso necklace

Fantastic ASCH GROSSBARDT sterling silver and 18k gold mosaic Picasso necklace. Beautiful pendant made of a mosaic of shell (mother of pearl, wampum etc), black onyx and coral in the shape of abstract faces set in sterling with a 18k gold rim accent. The bail is a really nice pyramidal black mother of pearl cabochon. Comes on a thick sterling cable chord. Pendant signed and stamped 925 18k 52, pendant 1.25 x max 5/8 inches with bail, chain stamped 925, length 16 inches + 2 1/8 inches of additional chain for adjustment, 13.17g.