Canada CL13i Postage Due and Officially Sealed well centered with pristine original

well centered with pristine original gum

Never Hinged (Unitrade 123 catalogue value $450+)

the key imperforate of this popular series

Never Hinged (Unitrade O2

well centered within large margins

Canada CL13i Postage Due and Officially Sealed well centered with pristine original1926 (July 1) (25c) Patricia Airways, Style One, green route inscription, an outstanding mint example with sheet margin at right, clearly displaying the "RED LAKE" marginal inscription INVERTED ERROR, which is furthermore noticeably shifted horizontally (16mm) to one side; brilliant fresh colour, well centered with full original gum. A major airmail rarity of the popular Patricia Airways & Exploration Co. Ltd., Very Fine, Never Hinged (Unitrade CL13i