The coin in question is a 1999 Platinum Eagle, a noteworthy entry in the American coinage series. Struck at the West Point Mint, this stunning piece features the distinctive 'W' mint mark, which symbolizes its prestigious origin. With a denomination of $100, this coin is crafted from high-quality platinum, weighing 31.11 grams and measuring 32.7 millimeters in diameter. It was produced as a proof coin, which is known for its striking details and mirror-like finish, making it highly sought after by collectors and investors alike. The mintage for this particular issue is relatively low, with only 12,363 pieces produced, adding to its desirability in the numismatic market. Given its impressive attributes and limited availability, the 1999 Platinum Eagle is not just a currency of value but also a collectible piece of art that reflects the craftsmanship and heritage of American coinage. Overall, this coin represents both a monetary and intrinsic value, appealing to those interested in precious metals, coin collecting, or American history.