Bidspirit auction | Worldwide Air Post Stamps and

Worldwide Air Post Stamps and Postal History - Canada - 1924, Laurentide Air Service with added ''CANADA 1924'', (25c) red, two single stamps, perforated or rouletted at top and bottom, full OG, LH, VF, Unitrade C.v. CAD $350, Est. $120-$150 , Scott #CL3-4