Canada CL20 Stampless but with full original gum

but with full original gum that has never been hinged

trial colour die proof printed in black on white wove unwatermarked paper 56 x 79mm

perf 13x13

1932 Ten cent dark violet

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)