The mint mark position on all Morgan silver dollars is located between the wreath and the DO in DOLLAR.
No mint mark = Philadelphia
S = San Francisco
O = New Orleans (up to 1904)
CC = Carson City (up to 1893)
D = Denver (1921 only)
above the DO in the dollar
The mint mark on any Morgan dollar is on the reverse above the letters DO in dollar.
Not always, no. If it was minted in Philadelphia, then there is no mint mark.
If you know it's a 1921 "S" Morgan you found the mint mark
The mint mark on any Morgan dollar is located on the reverse (tails) side, near the bottom, just above the letters "do" in the word "dollar."
If it doesn't have a mint mark, that means it was made in Philadelphia.
The mint mark on a Morgan dollar (if any) will be found on the reverse of the coin under the wreath between the "D" and "O" in "DOLLAR".
The O is the mint mark, it stands for the New Orleans mint.
The mint mark (if it has one) on all Morgan silver dollars is on the reverse of the coin just above the letters "DO" in dollar.
If it has one, it's on the reverse above the DO in DOLLAR.
The "O" mint mark is from New Orleans
At the bottom of the reverse, just above the 'DO".