Lot 442 P
Canada, Airmail, 1938, 6¢ red brown, trial color large die proof (C6DP-TC) on India die sunk on card (227x152mm), with die "X-G-674" & "Canadian Bank Note Company, Limited" imprint, pencil notation on reverse "wrong color, issued in blue", pristine, Extremely Fine.Scott No. C6TC Estimate $750 - 1,000.
Realized: $650
Lot
443 
Canada, Airmail Semi-Official, 1926 (25¢) Jack V. Elliot Air Service, Unofficial Essay in blue, o.g., never hinged, bright and fresh, Very Fine. Unitrade No. CL6-E C$750 ($560).
Realized: $230
Lot
444 
Canada, Airmail Semi-Official, 1926 (25¢) Jack V. Elliot Air Service, Unofficial Essay in blue, on reverse of flight cover to Red Lake, with Airmail Semi-Official, 1926 (25¢) Jack V. Elliot Air Service, zig-zag background affixed over essay and tied by blue oval date stamp, front franked with 3¢ KGV tied by "Kitchener, Mr 2, 26" cds, Very Fine and scarce. Unitrade No. CL6-E+C L6 Estimate $300 - 400.
Lot 445 P
Canada, Special Delivery, 1938, 20¢ dark carmine, Large die proof (E8DP-H) on India die sunk on card (229x153mm) with "Special Delivery" & "X-G-673" die number imprint below, "Ottawa No.#1046, Sept.1937" in pencil on reverse, pristine, Extremely Fine.Scott No. E8P Estimate $1,000 - 1,500.
Lot 446 P
Canada, Special Delivery, 1938, 20¢ dark carmine, Large die proof (E8DP-H) on India, with "Special Delivery" & "X-G-673" die number imprint below, typical light thins, otherwise Very Fine.Scott No. E8P Estimate $400 - 600.
Lot
447 
Canada, Registry, 1875, 2¢ orange, block of 4, full o.g., rich bright color, F.-V.F. SG No. R1. Scott No. F1 $460 as singles.
Lot
448 ()
Canada, Postage Due, 1906, 2¢ violet, left margin horizontal strip of 3 showing Plate D Lathework in selvage, without gum, tiny thin in right stamp not affecting lathework single, fresh and Fine, an extremely rare example of the 1906 2¢ Postage Due with type D lathework, with only four examples recorded by Unitrade; with 2016 V.G. Greene certificate. Scott No. J2. SG No. D3. Unitrade No. J2 C$2,500 for single ($1,880).
Lot
449 /
Canada, Postage Due, 1906, 2¢ violet, left margin block of 4 with lathework type A imprint showing bottom end at bottom (positions UL 71-72/81-82), o.g., hinged at top, never hinged at bottom, bright color, Very Fine and rare. Scott No. J2. SG No. D3. Unitrade No. J2 C$3,500 ($2,620).
Lot 450 P
Canada, Postage Due, 1935, 2¢ dark violet, Large die proof (J16DP) on India die sunk on card (231x152mm) with die "XG576" imprint above, "Order #502 2/7/35" in pencil on reverse, Very Fine and choice, very rare, ex-Bishop.Scott No. J16P Estimate $400 - 600.
Lot
451
Canada, War Tax 1915, 20¢ olive green, o.g., never hinged, rich color, fresh and Very Fine; with 2016 V.G. Greene certificate. Unitrade No. MR2C C$540 ($400).
Realized: $270