Jusqu-a Airmail Markings- A Study Ian Mcqueen ((top)) 〈2027〉

Originally published in by W.A. Page, McQueen's study was ground-breaking because it categorized a previously neglected field of auxiliary markings. The original 109-page softcover was so well-received that McQueen followed it with a massive Supplement in 1995 that actually contained more pages (163) than the original book. Key features of McQueen's study include:

The study typically covers:

: These marks are rare and highly sought after by collectors because they tell a precise story of logistics, showing exactly where a letter transitioned from air to surface transport. Ian McQueen’s "A Study" Jusqu-a Airmail Markings- A Study Ian McQueen

Before reliable trans-Atlantic flight, mail was often flown to New York ("Jusqu’à New York") and then sent by rail across the US or by ship to South America. War-Time Disruptions: Originally published in by W

Jusqu'a airmail markings are highly sought after by philatelists due to their rarity and historical significance. McQueen notes that: Key features of McQueen's study include: The study

The primary study detailing the origins, usage, and initial inventory of markings.

The book is noted for its high-quality images, which serve as an essential tool for collectors trying to identify and authenticate their own covers. The Evolution of the Study