This listing is for the photographed Set of 2 Vintage 1970s Anson Patented Gold Toned Button Covers. These button covers were patented under the number 3777336, which was originally published by Anson in 1973. The patent was published for the fold-over clip mechanism of the button covers. Patent number and company name seen on the inside of the button cover clip mechanism. These button covers are made of a beautiful gold toned metal with a round black stone, likely onyx, set in the center. Stunning minimalist and elegant accessories! Interesting patented find from the 1970s!

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Cool Anson Patented Goldtone and Black Stone Round Button Cover Set - Patent No. 3777336 - Vintage 1970s Anson Gold Button Cover Clips