The letter "M" is not a mintmark. It is the designers monogram. Post a new question and structure it like this to get the best answer- "What is the value of a <date> <country> <denomination> or "What is a <date> <country> <denomination>?".
$3.00- $2,750.00 dollars
The M is not a mint mark but on every coin and is on the right side. The mint mark is to the left od the date slightly above.
$20-$1,300
$4-$10 depending on condition. If mint condition around $20.
The mintmark is a "D" not a "P" and it's just a quarter.
a quarter
No mint mark means it was minted in Philadelphia. The quarter is worth exactly 25 cents.
$3.00- $2,750.00 dollars
Melt? $5.80. Depending on mint mark and condition it might be worth more.
The M is not a mint mark but on every coin and is on the right side. The mint mark is to the left od the date slightly above.
YES I have one.
$20-$1,300
$4-$10 depending on condition. If mint condition around $20.
Check that coin again. Mint marks were on all quarters by 1981.
The mintmark is a "D" not a "P" and it's just a quarter.
25 cents.
Reatil for circulated coins $3.74- $4.20 Mint state $4.30