70’s. The “Brassy” is essentially the woman (power) symbol of a circle with cross below but also has 2 horizontal lines (an equal sign, get it?) across the bottom half of the open circle. Piece is 2 3/4″ high with 24″ chain. Piece is a nickel finish heavy metal and has original explanation card stapled to chain. Produced by feminist artist, Judith Meuli. Mint.