From an email I received recently:

"...During the seventies I worked as a Honda shop mechanic in Southern Calif. Attached pics are from a sales brochure of a variant I've not seen anywhere else, called a Honda Dream Super Sport CM72. A friend gave me this brochure several years ago, it clearly shows a single-carb configuration, scrambler-type speedo, solo seat and luggage rack in a CB-type frame."

If anyone out there has more info on this bike, please let me know.