The American Colonization Society, [at] Monrovia, [Liberia]. 50 Cents. Uncirculated.Printed on India paper, mounted on original archive page sheet. Imprint of Underwood, Bald, Spencer & Hufty, Philad./Danforth, Underwood & Co., N. York. Top center vignette of two allegorical figures, flanked by George Washington at right. Extremely scarce, and surely missing from the most advanced Obsolete note collections.