This is the 1991 Mexico Proof Silver Libertad - 1 Onza.  This coin is 36 mm, weighs 31.103 grams, and is composed of 0.999 Fine Silver (1 Troy Ounce).  Sharply struck coin with beautiful proof surfaces, excellent details, and fantastic eye appeal.  It is encapsulated in a plastic holder and housed in a nice box.  Comes with the Certificate of Authenticity ( COA )!    This is a LIMITED EDITION coin that was strictly limited to no more than 10,000 coins!! 

1000-B