On the reverse (the back) of the coin, between the "DO" in "DOLLAR" and the center of the wreath, just below the eagle's tail feathers.
The mint mark on any Morgan dollar is on the reverse above the letters DO in dollar.
If there is one it's on the back above the letters DO in the word dollar.
above the DO in the dollar
If it has one, it's on the reverse above DO in the word dollar.
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."
The mint mark on any Morgan dollar is on the reverse above the letters DO in dollar.
If it doesn't have a mint mark, that means it was made in Philadelphia.
If there is one it's on the back above the letters DO in the word dollar.
above the DO in the dollar
If the coin has one, it's on the reverse above the letters DO in DOLLAR.
If it has one, it's on the reverse above DO in the word 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."
On Morgan dollars (the type minted at the time), the mint mark is on the back, towards the bottom, just above the letters "do" in the word "dollar." And if there's no mint mark, it means it was minted in Philadelphia.
1882 would make it a Morgan dollar, so the mint mark is on the reverse (tails) side, near the bottom, just above the letters "do" in the word "dollar."
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".