Vintage 70s 60's Retro Silver Sculpture Scallop Chunky Box Chain Necklace

Offered is this rare & fabulous mid century modern one-of-a-kind necklace from a MD estate sale. The unisex necklace pendant is brass-mixed metal based & silver plated, stainless or other silver tone plating. No hallmarks or stamps, material has not been metallurgy tested. The item is in average pre-owned vintage condition with scratching, loss of "plating" in one small place (imaged), & tarnishing of chain. The metal pendant cleaned up nicely with tarnish remover.