$29.46 per ounce as of 10:06 am 12-14-10
Silver is trading at about 28.50 an ounce. A half ounce of silver is worth about 14.25.
It is worth whatever 1 troy ounce of silver is worth. Today it is worth about $30, although the price of silver fluctuates.
There are thirty one grams in a Troy ounce.
The current spot price of silver is about $43 per troy ounce.
The market price of silver fluctuates daily. As of 29 August 2012, silver is worth $30.75 per ounce.
Based solely on a silver price of $33.52 per (troy) ounce, a 40% Kennedy Half is worth $4.9573 in silver. There is .1479 troy ounces of silver in each one.
It is worth whatever one troy pound of silver is worth. Since 1 troy pound is 12 troy ounces and since one troy ounce of silver is worth ~$22, your coin is worth $264. However, keep in mind that silver prices fluctuate on a minute by minute basis.
There are approximately 480 grains in 1 ounce of silver.
At today's rate, it is worth $43.40.
It is worth one troy ounce of silver, which at the time of writing is $29.35 but silver prices are volatile and change daily.
It varies depending on the rate of silver value. There is little to no collector value, so it is worth the bullion value of one ounce of silver.
The market price per troy ounce of silver is called the "spot price" or "spot". Spot prices are not static; they change minute by minute like stock prices. Visit the link below to view live gold and silver prices.