This photo provided by the Abraham Lincoln Presidential Library and Museum shows an ambrotype image of President Abraham Lincoln circa 1858. During his U.S. Senate campaign against Stephen A ...

The Abraham Lincoln Presidential Library and Museum has obtained an original 1858 photograph of the future president with an interesting backstory.

But his gaze lingers on one image in particular: a portrait of Lincoln reading to his youngest son, Tad. The photograph would come to play an important part in Lincoln’s legacy.

The Abraham Lincoln Presidential Library and Museum has obtained an original 1858 photograph of the future president with an interesting backstory.

The Abraham Lincoln Presidential Library and Museum has obtained an original 1858 photograph of the future president with an interesting backstory.