10 cents Ultrmarine Special Delivery Perf. 11

The Ultramarine Messenger on Bicycle Scott #SD4 Special Delivery Stamp is a postage stamp issued by the United States in 1902. The stamp features an illustration of a messenger on a bicycle in the center, surrounded by an ultramarine border. The words "SPECIAL DELIVERY" are printed in blue at the top center of the stamp. This stamp was part of the U.S. Special Delivery stamp series and was used to indicate that a piece of mail required expedited delivery. The Messenger on Bicycle Special Delivery Stamp is highly sought after by stamp collectors due to its unique design and rarity.