The item in question is a United States coin struck from silver in the year 1928. It is a legal tender coin that was produced by the United States Mint. An example is the Peace dollar, a design emblematic of peace following World War I, which was minted in 1928 at the Philadelphia, Denver, and San Francisco mints.
These particular pieces of currency hold significance for collectors and historians alike. They represent a tangible link to a specific era in American history, reflecting the economic and artistic sensibilities of the time. Their value can extend beyond their intrinsic metal content, driven by factors such as rarity, condition, mint mark, and historical context, often making them attractive to numismatists and investors.