This antique letterpress printing block from the early 1900s features a design of a biplane, making it a unique and historical piece for printing and graphic arts enthusiasts. Crafted from copper on wood, this printing block is a testament to the craftsmanship and artistry of United States printing in the past. Perfect for adding a touch of nostalgia and character to any printed material, this piece is a valuable addition to any collection of printing essentials or as a unique decorative item.