If it has a mintmark it's on the reverse below the wreath.
The value of a 1842 seated liberty dime is about $20 in G-4(good) condition.
A US dime dated 1867 is a Seated Liberty dime. To see one, in your search box type in Seated Liberty dime and click on images.
The Liberty Seated Dime (1837-1891)
The mercury dime was minted between 1916 and 1945. The 1884 dime is a seated liberty. You can find reasonably close values to just about any coin on eBay in the sold section of coin in question. Also please see the Related Question for some additional information.
If it has a mintmark it's on the reverse below the wreath.
The value of a 1842 seated liberty dime is about $20 in G-4(good) condition.
A US dime dated 1867 is a Seated Liberty dime. To see one, in your search box type in Seated Liberty dime and click on images.
The Liberty Seated Dime (1837-1891)
The mercury dime was minted between 1916 and 1945. The 1884 dime is a seated liberty. You can find reasonably close values to just about any coin on eBay in the sold section of coin in question. Also please see the Related Question for some additional information.
With no mint mark, $13-18 in average condition. With an "O" on the reverse, $16 to $50 depending on how worn it is.
A seated Lady Liberty.
A 1885 dime - aka - Seated Liberty Dime - in MS60 condition is worth: $200.
That's off by about 65 years. Mercury dimes were minted from 1916 to 1945. A dime from 1853 would be called a Liberty dime or Liberty Seated dime.
90% silver and 10% copper
$13 in good condition
A date is needed, post new question.