Canada, Airmail Semi-Official 1926 (25¢) Deep Blue/Ultramarine Fairchild Air Transport, Tête-Bêche Varieties, deep blue vertical and ultramarine horizontal tête-bêche, top right corner blocks of 4, o.g., never hinged, ultramarine with small margin tear in one stamp, otherwise Very Fine. Scott No. CL11a, CL12a  $360. $0 (Image)