The 1999-W $10 American Gold Quarter Eagle with Unfinished Proof Dies is a distinctive and rare numismatic item, especially intriguing for collectors due to its unusual minting process. This quarter-ounce gold coin, certified by the Numismatic Guaranty Corporation (NGC), stands out because it was struck using proof dies that were not fully polished, which typically create the mirror-like finish of proof coins. As such, these coins lack the usual proof characteristics, making them an anomaly. The 'W' mint mark signifies its production at the West Point Mint. NGC's certification guarantees the coin's authenticity and the unique attributes of its production, positioning it as a highly collectible piece with both historical and numismatic significance.

Gold

1/4 Troy Ounce

0.9167