The following is a range of possible values for Mercury head dimes, based on their condition and rarity:
* Good: $1.50 - $2.50
* Fine: $3 - $5
* Very fine: $5 - $10
* Extremely fine: $10 - $25
* Uncirculated: $25 - $100+ (depending on rarity)
Some key dates and rare varieties of Mercury head dimes can be worth significantly more than the average price range listed above. For example, the 1916-D Mercury head dime is a rare variety with a mintage of only 264,000 pieces, and can be worth up to $1,000 in uncirculated condition.
If you have a collection of Mercury head dimes, it's always a good idea to have them appraised by a professional numismatist to determine their exact value.