This is an excellent copper brooch, signed Gret Barkin, New Hope PA, Hand Wrought. There are two layers, with a square base and an applied, curved plaque on top. Both layers have a lot of hand-work and engraving.
This 3-dimensional copper pin is in excellent, original condition and has a secure safety clasp. Measurements are 1 1/2 x 1 3/8 x 1/4 inch depth.