Wonderful Coro sterling pin designed by Hector Aguilar from one of the designs produced for his own taller. Unusual rich gold wash. Signed on reverse Coro silver Made in Mexico. In excellent condition. Measures 3-1/2 x 2-1/2 inches. Aguilar's design in silver can be seen on p. 111 of Mexican Silver, by Morrill and Berk.