Sterling Leaping Dolphin Pierced Earrings signed

Beautiful Sterling silver leaping dolphins for pierced ears. Measurements for these cute pierced earrings are 1 inch long x 3/4th inches widest point. These fun dolphin earrings are on fish hook ear wires. Hallmark: 925 CW Hallmark on 2nd Dolphin M. Year: 1970's Very good vintage condition. Can't find any real info on the marks CW but because of the "M" mark I believe they are from Mexico.