No, none of them are 40% silver, but from 1946 to 1964 they were struck in 90% silver. All coins from 1965 to date are copper-nickel clad.
1964 is the last year for silver dimes.
Liberty does not describe a dime. However, when most people refer to "liberty dimes" they are talking about dimes made before the 1940s. The best way to know how much silver is in your dime is to check the date. All dimes made before 1965 contain 90% silver. All dimes dated 1965 or later contain 0% silver.
It appears as though there were 620,684 silver Roosevelt Dimes minted in 2008. All of these silver dimes are proof and available only in the 2008 Silver Proof set.
All silver (1946-1964) Roosevelt dimes are considered common. Unless they are Mint State, the values is for the silver, about $2.25.
U.S. dimes dated 1964 and earlier contain 90% silver with 10% copper. Dimes dated 1965 and after contain absolutely no silver.
1964 and older US dimes contain 90% silver.
US dimes were struck in silver from 1796 to 1964.
All silver Roosevelt dimes are common, if it has any wear at all value is for the silver, about $1.25
No, other than silver dimes/quarters created for special collector sets, current dimes and quarters contain no silver and only contain copper and nickel.
Dimes dated 1964 and prior are 90% silver. Dimes dated 1965-present that are intended for circulation contain no silver. From 1992-present the US has made silver proof sets which contain a 90% silver dime along with 90% silver quarters and half dollars. Keep in mind though that it is only the silver proof set that contains silver, the normal proof sets do not (unless the coin intended for circulation had silver)
Yes they do, all Mercury Head dimes are 90% silver and 10% copper.
Silver Roosevelt dimes are very common, if it shows any wear, value is just for the silver, about $2.00.