Lot 615 Canada #CL43 1928 (10c) yellow Patricia Airways Limited, a mint never hinged group of three complete panes with serial numbers 11, 15 and 18, each with pen or pencil notations (plane high, plane low, etc) at lower right corner in selvedge. Quite fresh and very fine. Rsv. $650. Unitrade CV$1,575, sold for C$1,400.00 plus 17% buyer’s premium.