Airmail Markings- A Study Ian Mcqueen | Jusqu-a

The mail reached its final airport and was being transferred to the local delivery system. Ian McQueen’s Meticulous Research

Detailed visual catalogs of handstamps from around the world.

In the specialized field of , few researchers have contributed as much to the understanding of directional postal markings as Ian McQueen . His seminal work, Jusqu-à Airmail Markings: A Study , remains the "gold standard" for collectors and postal historians seeking to decode the often-mysterious handstamps found on early 20th-century airmail. What are "Jusqu-à" Markings?

An airmail etiquette (blue "Par Avion" label) needed to be "canceled out" or qualified because the flight was unavailable for the remainder of the route.

McQueen divided these markings into specific types, such as "mute" parallel bars, crosses, and explicit text-based stamps like "Jusqu’à Londres" (As far as London).

For a postal historian, a "Jusqu-à" mark is more than ink on paper; it is a map of a letter's journey. McQueen’s work allows collectors to:

McQueen's contributions continued well into the 21st century, with later volumes like the Airmail Directional Handstamps Supplement published as recently as 2007. Today, his books are highly sought-after in the secondary market by specialists in United Kingdom philately and international airmail history. Jusqu'a Airmail Markings. (A Study) by MCQUEEN Ian

It helps researchers understand why a letter may have taken weeks to arrive despite having airmail stamps.