The 1969 Denver quarter, part of the United States Mint's Washington quarter series, is a collectible coin known for its historical significance and numismatic appeal. Coins from this era, particularly those in excellent condition or with mint errors, can attract the interest of collectors. A roll of 25c quarters typically consists of 40 coins, which can be valuable for both their face value and potential numismatic worth. Quarter coins from the Denver Mint are marked with a "D" mintmark, distinguishing them from those produced at other mints.