1989 Mexico Silver 1 Onza Serfin 125th Anniversary Ngc Pf 67 Ultra Cameo Top Pop November 4, 2026admin 1989 MEXICO SILVER MEDAL SERFIN 125TH ANNIVERSARY NGC PF 67 ULTRA CAMEO RARE TOP POP 1. WITH CONEJO COINS EXCLUSIVE AZTEC CALENDAR NGC LABEL!!!!!!!!!!!!!!!!!!!!!!!!! Share