These coins are all just taken from Mint Sets and are Mint State uncirculated coins, with the exception of the 1982 & 1983 coins. There were no Mint sets produced in either 1982 or 1983, and the coins for those 2 years are VF or better examples. The 1965, 1966, & 1967 coins are all taken from Special Mint Sets.
As an added bonus, each folder will include an Uncirculated MS "lowest mintage 1968 D" coin in the spots featuring the "American Eagle" reverse detail. The item "Washington Quarters 1965-1998 Complete Set BU UNCIRCULATED MINT 66 COINS" is in sale since Friday, April 24, 2020. This item is in the category "Coins & Paper Money\Coins\ US\Quarters\Washington (1932-98)". The seller is "bread1111" and is located in Orlando, Florida.This item can be shipped to United States.