Up for sale is a stamp pin based upon the 1997 USPS stamp that depicts Benjamin O. Davis Sr. as part of the Black Heritage series. Davis was the first African American promoted to General in the United States Army. The inscription on the back reads: McDonald's Limited Edition African American Heritage Stamp Pin Series Pin 1 of 4: produced under license by Winco International Chatsworth , CA. This pin is metal and measures approximately 1 1/8 X 3/4 inches. The original 32-cent stamps were Scott #3121. This item makes a great lapel pin, hat pin or tie tac.