Most dimes of this date are valued for the silver only, about $1.00
Yes - the "Mercury" dime from 1916 to 1945 has 90% silver in it
The 1945 nicro S Mercury Dime is 90% Silver Mercury Dime that was minted in San Francisco. San Francisco used different types of punches in 1945.
Mercury dimes from 1940 to 1945 in average circulated condition are mostly valued for the silver content, about $3.00.
1945 is the last year of issue for the Mercury Head dime. It's a high mintage date for the series. Most of the coins are only valued for the silver, about $2.00
If in average condition, it is worth its silver value which at the time of writing it is $2.11.
All Mercury dimes are 90% silver and 10% copper. They were struck from 1916 to 1945.
A 90% silver 1945 Mercury dime is fairly common and sells for melt (about $1.60 at today's silver prices) if circulated and $20 or so if absolutely uncirculated.
So many Mercury dimes were made from 1940 to 1945 regardless of any mintmarks that most are only valued for the silver, about $3.00
The 1943 Mercury dime was struck between 1916 and 1945. Struck .900 silver, it's callec the mercury dime because people thought the liberty image looked like Mercury, roman god of speed. Surprisingly, they have very little value now.
1945 is the last year of issue for the Mercury Head dime. The coin is very common and most are valued at about $2.00 just for the silver.
August 11, 2009 Coins such as this, which have been altered after leaving the mint, generally have no numismatic value. Their only worth is in the silver they contain which is $1.04 for a dime today.
1945 Mercury dimes are very common, if the coin shows any wear at all the value is just for the silver, about $1.25 if the coin is a high grade Mint State example value may be $7.00-$10.00