Minting errors can be on any quarter. Some dates/designs are noted to have specific minting errors. These are some errors (not all) to be aware of.

Helpful tip: You can highlight these quarter names on your device and click "web search" or "look-up" to see images of mentioned coins.

Errors:

• 1965 "Double Die Obverse"
• 1965 "Double Die Reverse"
• 1966 "Double Die Reverse"
• 1968-D "Double Die Reverse"
• 1969-D "D over D mint mark"
• 1970-D "Double Die Obverse"
• 1970-D "Double Die Reverse"
• 1971 "Double Die Reverse"
• 1971-D "Double Die Reverse"
• 1776-1976-D "Double Die Obverse"
• 1983-P "Spitting Eagle" (Die Crack)
• 1999 Delaware "Spitting Horse" (Die Crack)
• 1999 Connecticut "Extta Brick Layer" (Doubling)
• 2004 Wisconsin "Extra Leaf" (Doubling)
• 2005 Minnesota "Extra Tree" (Doubling)
• 2005 Kansas "Spitting Bison" (Die Crack)
• 2005 Kansas "Double Hump Bison" (Doubling)
• 2005 Kansas "In God We Rust" (Grease-filled Die)
• 2006 Colorado "Die Cud Reverse"
• 2007 Wyoming "Double Die Reverse"
• 2008 Alaska "Extra Claw in the Paw" (Die Chip)
• 2009 Duke Ellington "Double Die Reverse"
• 2015 Homestead "Double Die Reverse"
• 2018 Block Island "Strike Through Reverse"
• 2020 American Samoa "Blind Bat"
• 2021 "Crowning Washington" (Die Chip)
• 2022 "Chip on the Lip" (Die Chip)
• 2022 "Wart on the Nose" (Die Chip)
• 2022 Maya Angelou "Double Ear Ring" (Doubling)
• 2022 Dr. Sally Ride "Reverse Die Clash"
• 2022 Wilma Mankiller "Chipped Star" (Die Chip)
• 2022 Anna May Wong "Weeping Wong" (Strike through)
• 2022 Anna May Wong "Hang Nail" (Die chip)

Quarters dating 1964 and ealier are composed of 90% silver and 10% copper. In 2019 and 2020, the U.S. produced "W" (West Point, New York) mint mark quarters. Less than 5% of quarters produce in 2019 and 2020 have a "W" mint mark.