The historic Antietam National Battlefield is documented and remembered in this collection of mailable vintage-photograph postcards. Approximately 110,000 soldiers of the Union and Confederate armies fought along the banks of Antietam Creek in the bloodiest single-day battle in American history. In 12 hours of fighting, approximately 23,000 men fell, either killed, wounded, or missing, forever scarring the landscape around the town of Sharpsburg...