25 cents. It should be easy to find them in pocket change.
The reason the coin doesn't have a mint mark is that up till 1979, when quarters were minted in Philadelphia, they didn't put a P mint mark on it. Your quarter is from Philadelphia and is not an error.
No mint mark means it was minted in Philadelphia. The quarter is worth exactly 25 cents.
YES I have one.
Reatil for circulated coins $3.74- $4.20 Mint state $4.30
No U.S. coins dated 1966 have a mint mark. The '66 quarter is worth 25 cents.
$20 if very worn $30 if moderately worn $60 if like new, with no mint mark or an "S" $90 if like new with a "CC" mint mark
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