Canada CL20 Stampless but with full original gum

but with full original gum that has never been hinged

1972 Eight cent slate on high fluorescent paper

with “RED LAKE” marginal inscription INVERTED ERROR that is noticeably shifted horizontally (16mm) to one side

1926 (June) (50c) Patricia Airways

pencil signed by expert Peter Holcombe on reverse

Canada CL20 Stampless but with full original gum1928 (March 9) Red Lake Sioux Lookout flight cover with 2c green Admiral tied by Red Lake MR 9 departure split ring; on reverse the scarce (50c) Patricia Airways, Style Two with ascending 5c overprint (Type B) in black postmarked with neat Sioux Lookout CDS on arrival; minor mount mark at foot of cover. Carried by successor Patricia Airways, Ltd. which operated during February and March of 1928, Very Fine and scarce (Unitrade CL20)