Bidspirit auction | Worldwide Aerophilately - Canada

Worldwide Aerophilately - Canada - Air Post Semi-Official Issues: 1926, Elliot-Faichild Air Service, (25c) red on yellow background, block of four from the positions of 1-2/5-6 with tall ''r'' at top right, full OG, NH, VF, C.v. C$330 as singles , Unitrade #CL8, c