"Portrait of Abraham Lincoln Attached to Black Ribbon (U.S. Civil War)" This artwork depicts a portrait of Abraham Lincoln, the 16th President of the United States, during his tenure from 1861 until his assassination in 1865. The portrait is distinctively attached to a black ribbon, possibly symbolizing mourning or commemoration, given its association with the U.S. Civil War period. The specific context and artist behind this piece remain undisclosed in the provided title. This artwork serves as a poignant reminder of Lincoln's leadership during one of America's most tumultuous eras.