Dave Powers, Special Assistant to JFK at his West Wing Office. In the Image are ZFC2594, the U.S. flag from his office and ZFC3768 the Seal of the U.S. President pictured behind him.
This is a US Army Signal Corps photograph take by Capt. Cecil W. Stoughton at The White House, Washington, D.C., where he was detailed.
The photo was reproduced by the U.S. Army Photographic Service.
Then reverse if the frame backing is marked "#12 backup" , the exact meaning of which is currently unknown.
DPC