A $20 Liberty Double Eagle coin with an NGC Generic Date attribution is a noteworthy piece of American numismatic history. Typically containing 0.9675 troy ounces of pure gold, these coins feature a classic design with Lady Liberty on the obverse and a majestic bald eagle on the reverse. They are highly valued by collectors and investors for both their intrinsic gold worth and historical significance. The "Generic Date" label signifies that they are categorized based on their gold content and design rather than a specific year of minting, offering an accessible option for those interested in acquiring these iconic gold coins with the assurance of an NGC grading.