From 1976 to 1987, I worked at Tyler Graphics Ltd. (TGL) north of New York CIty in charge of the intaglio projects and being in the thick of things on most other projects underway. We always had a Polaroid camera around the studio for instant documentation or for  play. One day in a slow moment or perhaps as we plowed through the thick of difficult editioning, several of us decided to take mug shots showing that we were doing time. I am not sure who clicked the shutter for this one so a photo credit is impossible. I do know