That depends on the denomination of coin.
Please look at the coin again. The only way this year can be given a MS grade is if it has a "S" or "CC" mint mark. The Philadelphia issue coin is a Proof only coin and is valued at well over $50,000.00
On the reverse side of the coin look at the word "HALF". Just to the left of that word is a narrow "valley" that runs along the edge of the coin. The mint mark is in that "valley". If there is no letter in the valley, the coin was minted in Philadelphia.
Please look at the coin again. All 1882 Liberty Seated halves were struck at the Philadelphia Mint and have no mintmarks.
The coin is a Morgan Dollar and value depends on condition and if it has any mintmarks, look on the back under the eagles tail for small letters, an O,S or CC if no mintmarks are seen the coin was struck in Philadelphia. The mintmarks are very important to value. Look at the coin again and post new question
The mint-mark is on the back of the coin. Look farther below the buffalo close to the the rim and if it was not minted at Philadelphia it Will have a mint-mark
The mintmark will be either a D (for Denver) or an S (for San Francisco) on the reverse of the coin under the "O" in ONE. Keep in mind that your coin could have no mintmark, in which case it would be minted in Philadelphia.
The mintmarks are placed on different places on different denominations of coins minted prior to 1968. In order to know where to look you need to know which coin you have and where the mintmark is located on that particular coin. Since 1968 the mintmarks "D" and "S" have been on the obverse [heads] side of the coin near the date. Since 1980 the Philadelphia mint has also placed their mark, a "P", on all the coins minted there with the exception of the Lincoln Cent which bears no mintmark for Philadelphia.
You have to know the coin's date: 1964: On the reverse, to the left of the stem of the olive branch. D = Denver, blank = Philadelphia 1965-67: No mint marks were used due to the coin shortage 1968-1979: Above the date on the front. D = Denver, blank = Philadelphia; proof coins have an S. 1980-present: same as 1968-79, except P = Philadelphia.
Do you mean the mint mark? If so, look to the right of the word ONE on the back of the coin blank = Philadelphia D = Denver S = San Francisco
It's the year that the coin was minted. If you look under the date you can tell where it was minted, too: "D" = Denver Mint "S" = San Francisco No letter = Philadelphia
look at the date on the coin.
The coin is a Morgan Dollar and value depends on condition and if it has any mintmarks, look on the back under the eagles tail for small letters, an O,S or CC if no mintmarks are seen the coin was struck in Philadelphia. The mintmarks are very important to value. Look at the coin again and post new question. The minimum value as of 3-8-11 is about $25.00 just for the silver.