This United States Sc#237 MH stamp is a great addition to any stamp collection. With its mint hinged quality and ungraded grade, this stamp is sure to impress. Made in the United States, this stamp is a unique piece of American history. It is perfect for collectors who are looking for an authentic and high-quality stamp to add to their collection. The certification of this stamp is uncertified, making it an affordable option for collectors who want to add a rare stamp to their collection. Email me if you have any questions. Thanks for looking.