The product is a piece of Fourth Issue Fractional Currency, specifically valued at 15 cents. This type of currency was used in the United States during a period when paper money was introduced to supplement the coinage system. The Fourth Issue occurred in 1864, when new notes were printed to replace worn-out currency. These notes were issued in denominations ranging from 3 cents to $100, with 15 cents being one of the more common values. This particular piece of currency represents a significant time period in American monetary history.