Very scarce 1967 Mexico Silver 7th Mineral Convention San Luis Potosí medal graded MS64PL Proof Like by NGC and stored in a clean scratch-free slab. This is a choice scarce (and highest top pop graded) gem proof like silver coin! Listed in Grove’s Medals of Mexico as 956a 40mm, Silver, 28.9 g Mint Issue

Item will be carefully packaged and promptly shipped via USPS with tracking upon receipt of payment. Thanks for looking