Sold at auction: $235,000 Bottom line: While 1,836,000 quarters were produced in San Francisco in 1919, the date on many of these has worn off. Very few remain in mint condition, and only three ...

The most valuable of those coins — a 1976-S Bicentennial Silver Quarter that came in with a very high grade — sold ... Check Out: 8 Rare Coins Worth Millions That Are Highly Coveted by Coin ...