1990 Mexico Silver International Numismatic Convention Ngc Pf 68 Ultra Cameo
1990 MEXICO SILVER 17TH INTERNATIONAL NUMISMATIC CONVENTION NGC PF 68 ULTRA CAMEO RARE TOP POP. NUMISMATIC SOCIETY OF MEXICO INTERNATIONAL CONVENTION COMMEMORATIVE. WITH CONEJO COINS EXCLUSIVE AZTEC CALENDAR NGC LABEL!!!!!!!!!!!!!!