This set of US Airmail stamps features denominations of 5 and 6 cents, perfect for collectors and enthusiasts alike. The stamps showcase the vibrant carmine color and depict aviation-themed topics, making them a great addition to any collection. They are of used quality and ungraded, adding to their unique value and history. These stamps come from the United States and have various cancellation types, adding to their authenticity. Although uncertified, these stamps are sure to impress any collector and make a great conversation piece.