The Proof State Quarters represent a significant period in American numismatics. Struck in 90% silver, these quarters commemorate various U.S. states and are prized for their collectible and silver ...

As for other coins, silver contents can vary widely. American coins such as the dime, quarter and half-dollar minted before ...

Silver coins are highly prized by dealers and collectors -- not just because of their silver content, but also because they tend to be scarcer than coins minted with copper, nickel, zinc and ...

Struck in Philadelphia, Denver, and San Francisco, these coins are composed of 90% silver and 10% copper, appealing to both collectors and investors alike. Its value depends on factors such as ...

The Coinage Act of 1965, signed by President Lyndon Johnson, eliminated 90% silver coins from circulation, according to a blog from ModernCointMart. That law mainly affected U.S. dimes and quarters.