Karl Ludwig Adolf Ehrhardt Original Drawing c.1872 Rare pen and ink drawing by listed artist Karl Ludwig Adof Ehrhardt. Signed lower right. Dated lower right. Monogrammed lower left. Small dimensions 5 inches x 4 3/4 inches. Unframed. Very good antique condition. A fantastic find. This will look great in a contemporary frame. Be sure to use archival materials to protect this art treasure for decades to come.