The 1976 Bicentennial Quarter with a double die obverse is exceptionally rare. This minting error can elevate its value to nearly $25,000, making it a prized find for collectors.

With only 436,800 minted, the 1932-D Washington Quarter is a key piece for collectors. Its rarity ensures well-preserved examples often exceed $1,000.

Similar to its Denver counterpart, the 1932-S Washington Quarter's low mintage of 408,000 makes it highly sought after. Fine condition coins can easily surpass $1,000.

The 1942-S Silver Washington Quarter, minted during WWII, is notable for its scarcity and silver content. High-grade examples can command prices over $1,000.

The 1950-D/S Washington Quarter features a rare mintmark error, with the D stamped over an S. This unique anomaly can make these quarters worth over $1,000.

The 1964-D Washington Quarter with a double die reverse is a valuable find. The error, along with its 90% silver content, boosts its value beyond $1,000.