Cover dated 18 Dec 1945, posted at 9am at office 85 in the 8th district and arriving at the 19th district office 117 at 2pm (arrival cancel on back, straddling the envelope flap). Labelled Rohrpost although also has handwritten ‘express’. Franked 48Rpf which is the local letter rate of 8Rpf plus the express rate of 40Rpf