Jusqu-a Airmail Markings- A — Study Ian Mcqueen

The study primarily focuses on the era from 1919 to the mid-1950s , after which all-up airmail became the global standard and specific "jusqu-à" instructions became obsolete. Why This Book is Essential for Philatelists

Jusqu-à Airmail Markings: The Definitive Study by Ian McQueen Jusqu-a Airmail Markings- A Study Ian McQueen

Many markings were only used at specific transit hubs for short periods. The study primarily focuses on the era from

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? His seminal work, Jusqu-à Airmail Markings: A Study

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:

It elevates these "instructional" stamps from secondary marks to primary objects of study.