Vtg Mid-Century Machine Art Heavy Gold Tone Necklace Numbered Spiky Link Chain

Vintage Mid-Century Machine Art Heavy Gold Tone Necklace Numbered Spiky Link Chain Circa 1960s-70s No stamp/sign. Unable to identify maker. This heavy duty spiked gold metal necklace is very well constructed. The spikes are numbered on the reverse side. The spikes on the front centre have alternating gold smooth and textured spiky links. It measures approx 18.5″ in circumference. It cannot be laid flat to measure the length. Weighs 4.7 oz Vintage/ Pre-owned. In good condition, minor wear natural to age. No significant flaws aside from minor fading on the box clasp. This necklace is lustrous with high gold tone color. Please view photos for details, measurement and condition.