The best of the best from the Modern era of silversmith and design.
ï¿½Silver Moonï¿½ (Hopeakuu) sterling silver pendant comprising nine kinetic concentric rings of differing widths secured through a vertical square rod, designed by Tapio Wirkkala (Finland 1915-1985) in 1970 and produced by Kultakeskus Oy for Nilo Westerback in 1971-72
The sterling chain included is not original to the piece.
Stamped ï¿½ NW 925H T7ï¿½ with crown assay mark for Helsinki on back bottom of outside circle. Sorry but I could not get better detail on the mark.
Art price has over 242 listing of work designed by Tapio. Google Hopeakuu and see what similar pieces have sold for in major auctions.