A charming modernist U-shaped keyring / keyholder / keychain "Knopferl", model #4617-2, designed by Carl Auböck in the 1950s. Handmade of solid polished brass by Werkstätte Auböck in Austria. Identical to the brass key ring, but nickel plated. Fully stamped and marked.Measures: 1 1/2 x 1 1/2 x 1/2 inchesThis is a handcrafted piece, each piece and finish will differ slightly. Small nicks on the surface are evidence of the handmade production process and should not be considered defects.