The Mercury Dime, officially known as the Winged Liberty Head dime, was minted in the United States from 1916 to 1945. The 1919 Mercury Dime is part of a series that features the iconic design by sculptor Adolph A. Weinman. These dimes are composed of 90% silver and are highly collectible due to their historical significance, artistic design, and silver content. The value of a 1919 Mercury Dime can vary based on its condition, rarity, and market demand, with uncirculated specimens commanding higher premiums.