HSP means heavy silver plate so it's probably just a commemorative coin and not worth much, but you should probably have a professional check it out.
"HSP" Means Heavy Silver Plating.
How much is a .999 fine silver coin worth Ten dollar redeemable cash value .999 fine silver limited edition collector's series ...
$42.00
It depends on the weight of your .999 pure silver coin. Currenrtly silver is $24.13 per ounce.
One ounce of .999 silver was worth approximately $21.00 in July 2014. The price of silver and all precious metals fluctuates with supply and demand and the stock market.
The fact it has a stagecoach on it adds nothing to the value, it's likely just a one ounce "Silver Art Bar" that is .999 pure silver and worth about $28.00
150
Aug 27/12 1 gram of .999 silver=$1.09
Silver is trading at about 28.50 an ounce. A half ounce of silver is worth about 14.25.
As of November 1, 2017 silver value is $17.07 in USD.
The value is just for the silver, about $30.00.
The spot price of silver.