COMMERCIAL AIRWAYS LTD. CL47,150: 2¢ green Scroll tied by Edmonton 20 MY 1929 slogan cancel to cacheted First Flight cover to Grand Prairie with (10¢) black COMMERCIAL AIRWAYS (VIA AIR) semi-official airmail tied by boxed wavy line ‘USE AIR MAIL’ rectangle, Grande Prairie 21 MY ‘29 cds on back, very fine. (Unitrade Canada Specialized cat. $150) (Image)

Est. 75+