1999-W 1/10 oz American Gold Eagle MS-69 NGC (W Variety, Frost)

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In 1999, an unexpected event occurred at the West Point Mint. A selection of one-tenth ounce gold coins was accidentally produced bearing a "W" mint mark beneath the date. Unlike standard proof issues, the dies used for these specific pieces did not undergo the specialized polishing process that gives coins a proof-like finish. Because the United States Mint has never released official production numbers for this distinct variety, its exact scarcity remains a captivating mystery for researchers and enthusiasts. This small gold piece, containing exactly one-tenth of an ounce of pure gold, carries a five-dollar face value backed by the United States government. The front of the coin showcases a classic design based on the famous Gold Double Eagle by Augustus Saint-Gaudens, featuring Lady Liberty as she strides forward holding a lit torch and an olive branch, with the Capitol building visible in the background. On the back, an image created by Miley Busiek depicts a male bald eagle in flight, returning to a nest that holds a female eagle and their offspring.