The item in question is a bullion coin produced by the United States Mint. It contains one troy ounce of .999 fine silver and has a face value of one dollar. This particular coin was struck in 1985, making it part of the initial year of the American Silver Eagle series.
The significance of this coin lies in its silver content, its status as legal tender, and its collectibility. The initial year of a series often garners more interest from numismatists. Its value is determined both by the prevailing price of silver and by its condition and rarity. The coin embodies both intrinsic value and potential appreciation as a collectible item.