(Stamp Collar) A.W. Gray's Sons, Manufacturers of Horse Power, Machines for Sawing Wood and Threshing, Cleaning Grain. Attractive all over advertising design in gray with oval Stamp Collar on 1904 cover franked with 2¢ Regular Issue (natural s.e. at bottom, couple short perfs) tied by geometric with "Middletown Springs, Vt." cds alongside, Very Fine and choice. Estimate  $100 - 150. $0 (Image)