S means it was minted in San Francisco
Could you please explain what you mean by "nimm"? What is the coin's denomination? If it is foreign, do you know what country it came from? What image(s) and/or inscription(s) are on the coin?
The S's stand for side-side-side.
The "P" mintmark shows that the coin was produced by the US Mint at Philadelphia.
It means the coin was made (minted) in Philadelphia Mint.
A
It means the coin was minted in San Francisco.Note that there were lots of coins in 1909, not just "the" coin.
The "S" Mintmark on any US coin means it was made at the San Francisco Mint.
It's actually an intertwined A, S, and G - the monogram of the coin's designer, the famous sculptor Augustus St. Gaudens.
Please look at the coin again and post new question, the only possible mintmarks for a 1972 US Eisenhower dollar is a D or S
Sentus consulto
The value of a coin from the 1100's will greatly vary. It will depend on the overall condition of the coin and if the coin is considered to be circulated.
The relief of a coin refers to how high the devices (figures and lettering) stand above the field (flat part of the coin surface).
kilo grams
If you mean a D or S to the left of the eagle close to the rim on the back of the coin it's a mint mark. D is for Denver. S is for San Francisco.
The term MS-65 is the grade of the coin, which is "Gem Uncirculated" a better than average coin.
The most valuable and desireable Lincoln cent is the 1909 S VDB coin. If you have a 1909 S minted cent, flip the coin over to the reverse side and look at the bottom between the wheat ears. If you see the initials "V.D.B." there in very small print, you have a highly sought after Lincoln cent. A coin in average condition (about VG20) will fetch about $1000 in the current (2011) market. "V.D.B." was the coin designer's initials and stand for "Victor D. Brenner".
Is it a Greek or Roman coin. They may mean completely different things depending on its type.