Canada, 1919-27 Airmail Semi-Official & Private Commercial Airline issues. 13 including CL5 tete-beche pair, CL6(2), CL7-9, CL10(2), CL12-13, CL42; also Air Post Semi-Officials CLP3 and CLP5, o.g. except for a couple no gum, and CL6(1) with a thin, mostly very fine with a couple lesser, most interesting lot. Unitrade No. CLP3//CL42 C$1,805 ($1,836). $0 (Image)

Canada, 1924-30 Semi-Official flight covers. 6 items, best being CLP5i (wide spacing between "ew") Estevan to Winnipeg Oct 1st 1924 flight; CL11 on FF Halleybury to Rouyn; and 4 CL46 covers, including one with 2 stamps on Ile a la Crosse to Prince Albert FF; nice group in excellent condition, F.-V.F. lot. Estimate  $200 - 300. $0 (Image)

Canada, Airmail, 1931, 1m-4m Polar Flight Zeppelins complete. On separate Zeppelin photo flight postcards, each neatly tied by on-board postmark, "Friedrichshafen, 31.7.31" arrival cds and red flight cachet, Very Fine and choice. Michel No. 456-458. Scott No. C40-C42  Estimate $400 - 600. $0 (Image)

Canada, Airmail, 1931, 1m-4m Polar Flight Zeppelins complete. Tied by violet "Luftschiff, 27.7.1931" on board postmarks on flight cover, red German and Icebreaker 27.VII.31 cachet handstamps; 4m with light vertical crease and small cover tear at top, otherwise Very Fine. Michel No. 456-458. Scott No. C40-C42  Estimate $300 - 400. $0 (Image)

Canada, Airmail, 1938, 6¢ blue, imperf. Vertical right margin pair, o.g., never hinged, Extremely Fine. SG No. 371 var. Scott No. C6a  $500. $0 (Image)

Canada, Airmail Semi-Official, 1918, 25¢ Aero Club of Canada, Toronto-Ottawa. Fresh example, without gum, Very Fine. Unitrade No. CLP2 C$500 ($508). Scott No. unlisted. $0 (Image)