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Not strictly, because that's really 2 different questions in one.
The New Orleans Mint used an O mint mark from 1838 to 1861 and 1879 to 1909, and the first coins to carry a P mint mark were "war nickels" minted from 1942 to 1945, so the O mint mark definitely precedes the P mint mark.
Because the Philadelphia Mint had been striking coins without using a P mint mark beginning in 1793, coins from that city can easily predate coins from New Orleans.
What else can I help you with?
What does it mean when a US coin doesn't have a mint mark?
It means the coin was struck in Philadelphia before the P mint mark was adopted, or that it's a cent struck at Philadelphia or West Point. Cents from those 2 mints do not carry mint marks. Also, all coins dated 1965-67 don't have mint marks, regardless of where they were struck.
What does it mean when a coin has no state mark?
It's called a mint mark, not a state mark. The lack of one indicates that the coin was minted in Philadelphia.
What does it mean when a coin has no letter?
If you mean no mintmark, it was struck in Philadelphia.
What does the letter mean on a coin?
The letter is known as the mint-mark and tells where the coin was made. A coin having a P mint-mark (or no mint-mark on some coins) was made in Philadelphia, a coin having an S Mint-mark was minted in San Fransisco, a coin with a D mint-mark was minted in Denver.
What does a C on a coin mean?
On an US coin it can mean "cents" or it can be the mint mark of the Charlotte Mint, which existed only from 1838 to 1861.
What if your 1881 dollar coin has no markings?
I assume you mean "it doesn't have a mint mark". That simply indicates it was struck in Philadelphia; the P mint mark wasn't used until the 20th century. Please see the Related Question for values.
What does a W on coins mean?
On a US coin it's the mint mark of the West Point Mint. Normally West Point only manufactures special collectors' coins such as commemoratives and bullion pieces, but in 1996 it struck Roosevelt dimes for the coin's 50th anniversary. Be careful to distinguish the W mint mark from the same letter on Mercury dimes and Walking Liberty halves. On these coins it's the monogram of their designer, A. A. Weinman. In any case they were struck decades before the West Point Mint was opened.
What does it mean when there is no mint mark on an old silver dollar?
No mint mark indicates that the coin was minted in Philadelphia.
What does an eagle mark from a 1923 silver dollar look like?
No such thing as a "Eagle Mark" on any US coin. If you mean a mintmark? They are little tiny letters on the reverse of the coin, and can only be a D or S on this coin.
Where on the coin can you find where the silver dollar coin was minted?
If you mean a dollar coin made in 1935 or before that are the only real silver dollars, mintmarks (letters) are used to show the Mint a coin was struck at. A coin with no mintmark was struck at the main Philadelphia Mint, the branch Mints are San Francisco "S"/ New Orleans "O"/ Carson City "CC" and for the 1921 Morgan only "D" for Denver.
What does it mean if you can't find a mint mark?
The lack of a mint mark usually indicates that the coin was minted in Philadelphia.
Does d on any coin mean it was minted in Delaware?
No the "D" stands for Denver Colorado that's were the coin was struck
