If you are fortunate enough to locate a copy of Jusqu’à Airmail Markings – A Study (original print runs were likely under 500 copies), or if you find a digital scan in a philatelic society library, here is how to use it:
Before analyzing the text, a note on the author. Ian McQueen was a British philatelist active during the mid-20th century. While he wrote on several aspects of postal history, he is most revered for his obsessive attention to the Franco-British airmail routes. Unlike generalist catalogers, McQueen focused on ephemeral data —the ink stamps, handwritten notes, and accounting marks that clerks used for mere seconds before a mailbag was sealed. Jusqu-a Airmail Markings- A Study Ian McQueen
I’ve put this together in the style of a serious philatelic journal feature, suitable for publication in The Airpost Journal , London Philatelist , or similar. If you are fortunate enough to locate a