The bicentennial quarters were minted at three different locations in different mintages: Philadelphia (809,784,016 coins), Denver (860,118,839 coins), and San Francisco (11,000,000 uncirculated 40% silver coins, 7,059,099 proof clad coins, and 4 million proof 40% silver coins). sold for $8,400 in 2023 1976-D Clad Bicentennial Quarter Regular Strike: sold for $6,463 in 2017 sold for $6,463 in 2017 1976-S Clad Proof Bicentennial Quarter: sold for $6,038 in 2010