The product is a set of four 1909 Barber Half Dollar coins from the United States. These original coins have the "O" mintmark and are a valuable addition to any coin collection. The coins feature the iconic Barber design and are a piece of history from the early 20th century, showcasing the craftsmanship and artistry of the time period. Each coin is a representation of American currency and heritage, making them a desirable item for collectors and history enthusiasts alike.