This lovely brooch is such a warm shade of copper, assisted by a nice age-produced patina. It measures 1-7/8" x 1-1/2" and the clasp plate is marked "Pat. 2066969 (registered in 1937 -- which is probably just the clasp patent date, and not the brooch, and perhaps is a replacement clasp). The bottom right hand corner of the brooch is marked twice "REBAJES" (with the "S" being the infinity sign). It is in excellent vintage condition. (I also have the "3-Leaf" Rebajes brooch for sale.)