Canada CL13i, c

1926 (July 1) (25c) Patricia Airways, Style One, a fabulous corner sheet margin example displaying imprint and Series “1” number at top left, official blue black route inscription and showing the rarely seen INVERTED “RED LAKE” marginal inscription in error, brilliant fresh colour and with full original gum.  A wonderful airmail rarity, Very Fine, Never Hinged (Unitrade CL13i, c; catalogue value $6,000+)