While most Bicentennial quarters were produced in large quantities and are not particularly valuable, there are some rare variations and conditions that can make certain Bicentennial quarters worth significantly more than their face value.
These quarters were struck at the San Francisco Mint and have a special "S" mint mark. They were made for collectors and have a higher standard of striking and finish. Proof coins, especially those in pristine condition with no scratches or blemishes, can be worth more than regular circulation coins.
Bicentennial quarters were also minted in a 40% silver clad version for collectors. These coins were produced in San Francisco and bear the "S" mint mark. Silver clad quarters are worth more than their base metal counterparts due to their silver content and collectibility.
Bicentennial quarters that are part of uncirculated mint sets, especially those still in their original mint packaging, can be more valuable. These sets often include coins from each mint (Philadelphia, Denver, and San Francisco) and are sought after by collectors.
Any Bicentennial quarter with a minting error (e.g., double die, off-center strikes, or misprints) can be worth significantly more than face value. Error coins are rare and highly prized by collectors.
The grading assesses the coin's condition, and a higher grade indicates a coin in near-perfect condition, making it much more valuable to collectors.
To assess whether a Bicentennial quarter could indeed approach the value of a Dodge Demon, one would need to find a coin that is exceptionally rare, possibly one of the finest known examples of a high-grade proof or silver clad quarter, or a coin with a significant and rare error.