If it is an o/s it could be significant as there are none recorded for the year. But over the date can be a mint error and you would need a professional grade.
A. The coin you are referring to is a PEACE dollar. This coin is 90% silver and worth its silver value, unless graded by a third party or in mint state. a standard fine condition coin is not worth anything over spot price of silver.
No.
In MS60 Grade uncirculated, a 1880 S Morgan Silver Dollar is worth about $52. In MS65 Brilliant Uncirculated, it is worth over $330.
no NO U.S. coins were ever made of pure silver. All had at least 10% copper in them. NO U.S. half dollar is worth a megabuck. Perhaps you are thinking of the famous 1804 silver dollar, which does sell for over that amount.
Are not silver and have no value over face unless they have an "S" mintmark (which means they were not intended for circulation) or in a mint set.
These sell for a little over a dollar in online auctions.
As of 21 July 2016, one 1oz Silver Eagle is worth just over $19.
It depends greatly on the year and condition. But all of them are worth at least a dollar or so over face.
The only dollar coins that sell for over $1M are 1804 dollars.
The 1956 US half dollar, or Ben Franklin half dollar, is ninety percent silver. Over four million were produced. It is worth between twelve and thirty-five dollars depending on its condition.
It depends on the date, mintmark and condition. All silver dollars minted until 1935 are worth over $20 for the silver alone.
At present, it's worth just over $10 due to its silver content.