W H Martin & Co, Stamp Jobbers, neat cover to Brunswick, Maine with superb Your Postman Sells Stamps slogan cancel tying 1¢ yellow #105, cover creases at lower left corner (Image)

Est. 30

1933, six First Flights, five different flights: two London to Buffalo franked with C1, Wadhope to Bisset, Wadhope to Great Fals & Ile A La Crosse to Prince Albert, franked with C3, Pickle Crow to Collins franked w/pair of 208 (Image)

Est. 30