25 cents. Huge numbers of quarters were churned out in the period following the switch to copper-nickel clad coins in 1965.
The use of mint marks was stopped during 1965-67 so all 1966 quarters are missing that letter. The use of D for Denver was resumed in 1968, and P for Philadelphia was added in 1980.
No U.S. coins dated 1966 have a mint mark. The '66 quarter is worth 25 cents.
No mint mark means it was minted in Philadelphia. The quarter is worth exactly 25 cents.
It is worth .25¢ The absence of a mint mark simply means it was minted at Philadelphia.
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.
a quarter
No mint mark means it was minted in Philadelphia. The quarter is worth exactly 25 cents.
It is worth .25¢ The absence of a mint mark simply means it was minted at Philadelphia.
$3.00- $2,750.00 dollars
There were no S-mint quarters struck from 1955 to 1967 inclusive and no US coins carried mint marks during the transition from silver to clad coinage in 1965-67.
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.