The Monaco #743-47 Letters from My Windmill 1969 set consists of 5v blocks of four stamps, all mint never hinged. These multi-color stamps feature a unique design inspired by a windmill and are of very fine quality. Perfect for collectors interested in United States stamps, this set adds a touch of whimsy and nostalgia with the concept of letters from a windmill. Ideal for those looking to expand their collection with a distinctive and charming set of stamps.