Diploma awarded to Charles G. Dreffein, B.S. in Mechanical Engineering from Armour Institute of Technology, June 13, 1907. The diploma was signed by J. Ogden Armour (President of the Board of Trustees), Fred W. Smith (Secretary of the Board of Trustees), Frank W. Gunsaulus (President of the Institute), Howard M. Raymond (Dean of the Engineering School), and Louis C. Monin (Dean of the Cultural Studies). Vellum affixed with gold leaf (?) seal.