The archeologist would be telling fibs since the concept of a date BC would not have been known prior to Christs birth at best.
Are silver coins made by the US Mint. Quarters, Dimes, Half dollars and dollars struck for circulation dated 1964 and prior are 90% silver. Half dollars dated 1965-1970 are 40% silver. All US coins intended for circulation dated 1971 and later are not silver. The US has and does mint silver coins intended for collectors including the American Silver Eagle, since 1992 they have made a silver proof set and there have been many silver commemorative coins minted.
take your coin to your local coin shop (not pawn shop) For US coins: > dimes, quarters, and half dollars dated 1964 and earlier are 90% silver > $1 coins dated 1935 and earlier are also 90% silver > half dollars dated 1965-1970 are 40% silver > nickels dated 1942-45 with a large mint mark are 35% silver (NO other nickels have silver!) For Canadian coins: > dimes, quarters, half dollars, and dollars dated 1967 and earlier are 80% silver > some 1968 coins are 50% silver
US Dimes, Quarters and Half dollars dated 1964 and before are 90% silver. All US Dollar coins dated 1935 and before are also 90% silver.
If you are referring to the the modern (1992-2011) "Silver Proof" sets, yes the coins are 90% silver.
The US Mint did not issue any silver coins of any kind in 1980. If you have silver coins dated 1980, they are not US coins.
No US Dollar coins dated 1823 or any Silver Lady Head coins?
Sorry no US silver dollar coins dated 1826
Silver U.S. coins dated 1964 or earlier are still legal tender at face value.
No U.S. one dollar coins are dated 1941.
All silver US coins dated 1964 and before are 90% silver none are pure silver.
Depends on the year and denomination of the coin. For coins intended for circulation: Dimes, Half-Dollars, Quarters and Dollars dated 1964 and prior are 90% silver Half-Dollars dated 1965-1970 are 40% silver Nickels dated 1942-1945 AND have a large mintmark over the Monticello (either a P, D or S) are 35% silver
The US didn't make any silver coins in 1979. The last circulating silver dimes and quarters were dated 1964, and the last silver halves made for circulation were dated 1969.