Lot 617, Canada 1932 Canadian Airways Ltd. surcharge, mint horizontal pair, one showing inverted surcharge

Lot 617, Canada 1932 Canadian Airways Ltd. surcharge, mint horizontal pair, one showing inverted surchargeLot 617 Canada #CL52c 1932 10c Canadian Airways Ltd. Surcharge, a mint hinged horizontal pair, with one stamp showing an inverted surcharge. Each stamp has a “Kessler” expert handstamp, very fine and scarce. Unitrade CV$2,000.