The coin in question is a 1912 Barber Half Dollar minted in Denver, marked with the mint mark 'D'. This fifty-cent piece is part of the Barber series, which features designs created by the engraver Charles E. Barber. Struck from .900 fine silver, each Barber Half Dollar has a total weight of 12.5 grams and a diameter of 30.6 millimeters. This specific issue boasts a total mintage of approximately 2,300,800 coins, making it relatively common compared to other years in the series. The Barber Half Dollar showcases a classic design: the obverse features a bust of Liberty wearing a cap, surrounded by stars, while the reverse displays an eagle with wings outstretched, holding a banner that reads "E Pluribus Unum." With its quality mint strike and historical significance, this coin embodies an important piece of early 20th-century American numismatics. As a collectible, the value of the 1912 Barber Half Dollar can vary depending on its condition, which ranges from Good (G) to Uncirculated (MS). Generally, well-preserved examples of this coin are sought after by collectors, making it a valuable inclusion in any numismatic collection.