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’d like, I can:
While not a price list, McQueen’s scarcity ratings (Rare, Very Scarce, Common) are the basis for all modern pricing. A cover with a Jusqu’à Saigon marking (rated ‘Extremely Rare’ by McQueen) recently sold at a David Feldman auction for over €4,000. A common Jusqu’à Natal on a late 1930s cover might bring $150-$300. Jusqu-a Airmail Markings- A Study Ian McQueen
McQueen’s original study (typically found as a series of articles bound into a booklet or published in journals like The Airpost Journal) is divided into three primary sections. For the modern collector, understanding these sections is key to using the text. I’ve put this together in the style of