This vintage 1937 USPS 3 cent stamp is a unique addition to any stamp collection. The stamp features a beautiful purple color and depicts the Constitution Sesquicentennial design. It is a rare find for collectors and enthusiasts alike.The stamp is ungraded and uncertified, but its quality is evident in its use. It is a great piece of history from the United States and a must-have for any stamp collector. Add this vintage stamp to your collection today! Color Purple, print: "Buy U.S. saving bonds ask your postmaster"