The U.S. has never used a Q mint mark. You're probably looking at an O with some slight damage or die breakage.
There's more information at the Related Question below.
About $27.
42cents
About $150.
"DO" isn't a mint mark. The mint mark on a silver dollar for that year is on the reverse (tails) side, just above the letters "do" in the word "dollar."
The "P" Mint mark was not used on any US $1 coin until 1979. Your coin was struck in Philadelphia
About $27.
About $150.
42cents
"DO" isn't a mint mark. The mint mark on a silver dollar for that year is on the reverse (tails) side, just above the letters "do" in the word "dollar."
One Dollar
On the reverse under the wreath. If there's no mint mark the coin was struck in Philadelphia.
Philadelphia did not use a P mint mark on dollar coins until 1979. For all other mints, the position on a Morgan dollar is above the DO in dollar.
The "P" Mint mark was not used on any US $1 coin until 1979. Your coin was struck in Philadelphia
about $25 depending on condition and mint mark
If the coin has any wear the value is for the silver, about $8.50
They are still found in circulation, have no silver and are only face value
$15 to $20 depending on condition and variety.