Hotsell Kaunis Koru Vintage Modernist 1960s Round Sterling Silver Brooch Pin in Original Box

Vintage, sterling silver, round, modernist pin/brooch made by Kaunis Koru Jewelry, a Finnish company founded in 1956. The company's mark is stamped on the back. This dates from the 1960s-70s. It is 916 sterling, as stamped on the back. It is 1 3/8" diameter, silver on the outside, and black coated silver in the concave center. It comes in its original box, and was purchased at Kaunis Koru Jewelry, Ghiardelli Square, San Francisco, CA. hotsell