I have a coin that weighs 31.101 grams and contains one ounce of .9993 silver. It is a circulated 1999 Liberty Eagle Silver Coin. It is a collectors item and also "1 OZ. FINE SILVER".
1 Troy Ounce of silvers price can be found here
http://money.cnn.com/data/commodities/Currently $35.90 per troy ounce
I can ship it to your house asap for 2.5btc. PM Serious offers only
Can provide all proof of coin. Tips here to avoid replicas
http://www.usmint.gov/consumer/?action=tips