Black-and-White photograph of Martin Koop leading a class, surrounded by men working on jewelry. A young man is turning toward Koop with an item in his hand. Possibly taken in the workshop at Trudeau Sanatorium, Temming Art Studio, or the Study and Craft Guild, undated.
Faded handwritten note on reverse reads, "Martin Koop forefront of picture directs [?] in the Temming/Koop Rehabilitation Shop." Later note in ink reads, "The 'Guild' workshop @ Trudeau Inst. (center) Martin Koop white jacket."
