1997-Mo Mexico Silver Libertad 1 Onza NGC MS-69. Precious Metal Content per Unit. Total Precious Metal Content. Both sides display light milky spots and streaks. If you have questions about this item please send us a message. In the event of a listing error (such as a duplication) we reserve the right to cancel the order. We are only responsible for a GSP item until it is delivered to the U. We guarantee all items to be genuine. Find More Like This.