Bidspirit auction | Worldwide Air Post Stamps and

Worldwide Air Post Stamps and Postal History - Canada - 1929, Commercial Airways, Ltd. ''VIA AIR'', (10c) black, pane of ten with natural straight edge at right and without selvage at left, stamp on position 2 with broken second ''C'' in ''COMMERCIAL'', full OG, NH, VF and rare multiple, C.v. $1,800++, Unitrade C.v. CAD$2,520, both catalog values as singles, Est. $800-$1,000, Scott #CL47, a