The Denver Mint opened in 1906. It's possible you're seeing an O mint mark, for the New Orleans Mint that operated until 1909.
There's more information at the Related Question.
The values is for the silver about $1.00
The mintmark can only be a "D" for a 1960 dime. Regardless it's so common the value is $2.00 just for the silver.
Depending on the condition, it could be worth anywhere from $2.50-$12.00.
The coin is still in circulation, has no silver and is only 10 cents.
Franklin D. Roosevelt is on the US dime.
The values is for the silver about $1.00
The mintmark can only be a "D" for a 1960 dime. Regardless it's so common the value is $2.00 just for the silver.
If the coin is uncirculated value is about $1.25 if not 80 cents just for the silver.
Franklin D. Roosevelt is on the US dime.
Franklin D. Roosevelt is on the US dime.
the dime in 1946 was worth $1.40
Depending on the condition, it could be worth anywhere from $2.50-$12.00.
The coin is still in circulation, has no silver and is only 10 cents.
About $2.20 for the silver. It is a common coin only worth melt value regardless of condition.
Franklin D. Roosevelt is on the US dime.
President Franklin D. Roosevelt is on the US dime coin.
Franklin Roosevelt is on the 2001 US dime.