Yes, it is legal to melt down silver coins for scrap. Many coin dealers and jewelry stores will buy them from you at melt prices along with refiners. The only coins illegal currently to melt down in the US are pennies and nickels. Silver coins were illegal to melt down before a lot of copper-nickel coinage was circulating but it is legal now.
No it's not illegal to do this.
It would most likely, at the very least, be considered defacing/destruction of Government Property.
Basically, you don't. It's illegal to melt down U.S. coins.
In most countries, melting down of legal tender is illegal.
In the US, it is illegal to melt down nickels ( and technically half dimes, but the collector value of half dimes exceed their melt value) and pennies. All other denominations can be melted, though, in the current market, the only legal to melt coins that would bring a profit if melted down would be the silver coins which can easily be resold on the open market for a higher profit just selling the coins to investors than paying someone to refine the silver.
Nobody. It's illegal to melt down Lincoln cents.
As of today $14.00 is current MV for US silver dollars
The Spanish melted down the gold and silver artifacts from the conquest to send the precious metals back to Spain for profit and to meet the high demand for precious metals in Europe. This process allowed them to extract the actual value of the materials.
Currently about $5. This price will change as the price of silver goes up or down.
First of all, it is illegal to melt down any U.S. currency. However, if the penny is fully copper, which most are not anymore, you will need a device that gets up to 2000 degrees F to melt it down.
In US dollars it has a melt value of $1.37. It is illegal to melt these coins for the metal they contain.