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The major differences are weight, appearance, date, and metal value.
90%-silver dimes (like quarters and half-dollars*) were made up till 1964. They were solid alloy throughout instead of being in 3 layers, so they didn't have the copper core that gives modern coins a brownish edge. The metal was somewhat whiter in appearance until it started to tarnish, and the coins were a bit heavier. For example, a 90%-silver dime weighed 2.5 gm while a current clad one weighs 2.27 gm.
Today, because silver is about 15 times more valuable than it was before 1964, a 90%-silver dime is worth about $1.50 (retail) for its metal content. Modern dimes are just worth a dime.
There were no design changes at the time the coins' composition was changed. The same Roosevelt design that had been in use since 1946 was continued for the new coins.
(*) Half dollars continued to contain a small amount of silver (40%) up till 1970, when they were also converted to copper-nickel clad metal.
What else can I help you with?
How many new dimes does it take to buy 1 old silver dime?
It depends on the current price of silver. Old silver dimes contain about 1/14 of a troy ounce of silver, so if for example silver is $42/oz, a silver dime is worth about $3 so it would take 30 new dimes to buy an old one.
How many silver dimes does it take to equal 1 ounce silver?
14 silver dimes equal just little more than 1 troy oz. Each coin has .07234 oz of pure silver.
How much silver in a roll of silver dimes?
One pre-1965 silver dime contains 2.25 grams of silver (90% silver, 10% copper, total weight of 2.5 grams), and one roll contains 50 dimes, which makes 112.5 grams of silver per roll.
How much is 30 silver dimes worth?
Each coin is worth about $2.00 to $2.25 just for the silver.
How much are the barber 1962 silver dimes worth?
Double check that date. FDR has been on the dime since 1946.
When did dimes change from silver?
1964 was the last year for silver dimes.
What year are silver dimes?
Silver dimes were last minted in 1964 in the US.
Is there silver in dimes 1970-2012?
No silver dimes were made after 1964. Starting in 1992 The Mint has made silver proof sets that do have 90% silver dimes, but they are not released into circulation.
What years beside 1964 were dimes made of silver?
Dimes were struck in silver from 1796 to 1964. From 1992 to date Silver Proof Sets have been made that have silver dimes in them.
What is the cut of date for silver Roosevelt dimes?
1964 is the last year for silver dimes.
Were mercury dimes made of silver?
Yes. They were made of 90% silver and 10% copper. Due to the silver they have a melt value of around $2.50. The total silver weight is 2.25 grams.
What metal were US dimes made of between 1936 and 1945?
US dimes are made from 90% silver 10% copper in those years.
How much pure silver in dimes?
1964 and older US dimes contain 90% silver.
Was silver used in 1965 dimes?
Simple answer is no. 1964 was the last year of 90% silver dimes.
What years did U.S. dimes contain silver?
US dimes were struck in silver from 1796 to 1964.
What year did they stop using silver for dimes?
The last year for silver dimes and quarters was 1964.
Are all 1835 half dimes silver?
Yes. All U.S. half dimes are silver.
