Jusqu-a Airmail Markings- A Study Ian Mcqueen Jun 2026

originally published in 1993, is considered the definitive ground-breaking research on the subject.

Ian McQueen’s Jusqu'à Airmail Markings: A Study (1993) and its 1995 supplement are considered essential reference works for aerophilatelists, documenting "partially flown" mail covers. The study acts as a comprehensive guide to worldwide "Jusqu'à" markings, which indicate the point at which mail transferred from air to surface transport. For more details, visit airindiacollector.com . Jusqu-a Airmail Markings- A Study Ian McQueen

In the early decades of powered flight, airmail was expensive and unreliable. To offer flexibility, postal administrations introduced “Jusqu’à” markings. These instructed postal clerks and air carriers to transport a letter by air only up to a specified airport or city; beyond that point, the mail would revert to surface transport (rail or ship). Ian McQueen, a British philatelist, produced the first comprehensive taxonomy of these markings, filling a gap in airmail literature. originally published in 1993, is considered the definitive

The Jusqu’à system is a beautiful paradox: a highly organized method for stopping an airplane’s journey. For 30 years, these markings carried the diplomatic, commercial, and personal mail of an empire caught between the speed of flight and the economy of the sea. For more details, visit airindiacollector

: Some later editions or copies found at retailers like AbeBooks or specialized philatelic sites like Phila Art may offer Volumes I and II bound together. Core Content and Research

Here is why McQueen’s work remains the gold standard: