This 1991 Mo Mexican Silver Libertad is a stunning coin that is sure to impress any collector. With a composition of 0.999 silver and a grade of MS 66, this uncirculated coin is a true gem. It features a beautiful design and is certified by PCGS, so you can be sure of its authenticity. The coin was minted in Mexico in the period of 1905-Now and has a denomination of 1 onza. It is a Type 1 variety and has a certification number that may vary. The color of the coin is silver and its fineness is 0.999.