This rare and unique 1 cent 1867 Stamp with Certification is a must-have for any serious collector of United States stamps. The stamp features a MASS cancel, a beautiful deep blue color and the image of Benny Boy with an E Grill on back. The stamp was made in the United States and is perfect for collectors looking for a unique and historical item. It is certified by PF and has been preserved for over 150 years, making it a valuable addition to any collection. Don’t miss out on the opportunity to own this rare and unique piece of history.