The standard 1966 quarters are made of a clad composition that contains copper and nickel. The standard quarters are not valuable, however rare silver error coins could potentially be found. Keep reading to learn more about these coins.
Note: None of the 1966 quarters have mint marks.
The standard 1966 clad quarters are very common so they only sell for premiums in uncirculated condition. The value is around $1 for coins in uncirculated condition with a grade of MS 63. Uncirculated coins with a grade of MS 65 are valued at around $7.
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Silver Error Quarters
1965 was the year that dimes and quarters changed from being 90% silver to 0% silver. So 1966 was a year off from a transition year. Errors get made whenever there is a big change in operating procedure.
1966 silver error quarters are rumoured to exist. It's not confirmed. However it's likely that they exist because 1966 was close to a transition year and there are confirmed silver error varieties for the 1965 Quarter and the 1968 quarter.
So how would you identify a silver error coin? It's simple. The easiest method is to weigh the coin on a calibrated gram scale. The standard clad quarters weigh 5.67 grams and the 90% silver quarters weigh 6.25 grams. You can also use the eye test. Silver quarters are shinier and they don't have any copper or nickel layers showing on the edge of the coin.