The product appears to be an early Netherlands dealer card featuring used stamps from various periods between 1861 and 1890. Specifically, the card includes stamps from the years 1861-1870, 1871-1880, and 1881-1890. The stamps are of fine/very fine quality and are from the Netherlands region. The certification of the stamps is not mentioned, but they are guaranteed to be of Dutch origin. This collector's item would be a valuable addition to any worldwide stamp collection.