1908 Bennett Morgan Company, Binghamton, New York, advertising cover. The piece has two trademarks. Both marks appear to be June 18th. The from is out of Binghamton, NY and the back is Whitney Point, NY. The back of the envelope refer to both "Rival" Shirts and "Iron Clad" Overalls. The use of the word "Iron Clad" shows up with several brands from this time period.