MUELLER BROS., photographers. CDV portrait of a young African American woman holding a white baby in her lap. Baltimore, MD: n.d. Mueller Brothers' credit on recto, pictorial imprint on verso. -- CDV full standing portrait of a young African American man wearing a federal issue sack coat and riding boots. -- Cabinet card group portrait of 6 African American young women dressed in fine clothing. -- SINGLEY, B.L., photographer. Stereoview of an African American couple in tattered clothing, embracing lovingly. Meadville, PA: Keystone View Co., 1897. Caption and publisher's imprint on mount recto. -- Together, 4 images, ranging in size from 2 1/8 x 3 1/2 in. to 4 x 5 1/2 in., on cardstock mounts. Conditions generally fine, with some general wear, toning, and soiling.