The product is a USA 1869 90 cents Lincoln Carmine & Black stamp, featuring a handstamped cancellation and depicting a historical figure from the 19th century. This single stamp has a block width and height of 1 stamp, making it a unique and valuable addition to any stamp collection. The vivid carmine and black colours add to the historical significance of this United States stamp, showcasing a piece of American history from the Civil War era.