The coin in question is a 1930 Mercury Dime, a classic piece of American numismatics. It was minted at the Philadelphia Mint, identifiable by the absence of a mint mark, denoted as 'P'. This dime, composed of 90% silver and 10% copper, has a weight of 2.5 grams and a diameter of 17.8 millimeters. It represents a denomination of 10 cents, a staple in U.S. currency. The Mercury Dime features a distinguished design: on the obverse, it portrays the profile of Liberty wearing a winged cap, often mistakenly referred to as Mercury, while the reverse depicts a fasces and an olive branch, symbolizing strength and peace. The coin was produced as part of a mintage totaling 6,770,000 pieces in that year, making it relatively common among collectors. Given its silver content and historical significance, the 1930 Mercury Dime is appreciated not only as currency but also as a collectible item. In terms of grading, various factors such as condition, wear, and tarnishing will influence its overall value in the market. As with many coins, the appeal of the Mercury Dime lies in its artistry, artistry, and rich history within American currency.