Antietam, Maryland. O.N. & T.O. Richmond. (Ca. 1864). 50 Cents. PMG Choice Very Fine 35.Shank 4.2.4. Undated (ca. 1864). Imprint of Doty & McFarlan 123 Wm. St. N.Y. The Shank Plate Note. Portrait of Washington at center. Eagle at left. Allegorical female at right. Washington County MD at top. O.N. & T.O. Richmond seen above portrait. Antietam was the single bloodiest day in our nations history as the Unions Army of the Potomac and Confederate Army of Northern Virginia clashed here in 1862. The first such piece that we have sold. A condition-census example that first sold for $920 some fifteen years ago.