Diamond T Company. Black & White Image of a Delivery Truck with Significant Documentation Included. The P.C. Monday Tea Company, Monday's Coffee, Juneau Av. Image Labeled: "Note How the Massive Lines of the Diamond T C.O.E. Cab Harmonize with the Large Body Needed for Bulky Loads. Diamond T 2-Ton Model 401, Sold by Ryan, Inc. of Milwaukee, WI.