1938 Northwest Territory Sesquicentennial 3c Bright Violet

1938 NW Territory 3c
1938 NW Territory 3c

This stamp commemorates the 150th anniversary of the creation of the Northwest Territory. It shows the a memorial located in Marietta, Ohio, to the Start Westward of the United States sculpted by Gutzon Borglum (of Mount Rushmore fame).

(I need to retake this picture so the stamp is orientated correctly.)