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

"Jusqu’à" Airmail Markings: A Study of Postal Transitions Based on the research of Ian McQueen The French term "Jusqu’à"

When a sender requested airmail service (often by using an "Air Mail" etiquette or stamp), the postal service might only be able to fulfill that request for part of the route due to limited flight paths or insufficient postage. The Marking Jusqu-a Airmail Markings- A Study Ian McQueen

McQueen's study identifies several types of jusqu'a airmail markings, including: "Jusqu’à" Airmail Markings: A Study of Postal Transitions

This comprehensive study by Ian McQueen delves into the fascinating world of airmail markings, specifically focusing on the "Jusqu'a" markings used on postal items. The book is a meticulous and detailed exploration of these markings, making it an essential resource for philatelists, postal history enthusiasts, and researchers. Jusqu’a Marseille: The Imperial Airways hub for Africa

• Jusqu’a Marseille: The Imperial Airways hub for Africa.
• Jusqu’a Basel: For connections to the Swiss Alpenpost.
• Jusqu’a Bangkok: Rare; used only on the Imperial Airways extension to Australia.

7. Illustrations (descriptions for publication)

• Fig. 1: 1931 cover Paris–Bangkok, violet Jusqu’à Saigon
• Fig. 2: Label variety Jusqu’à Singapore (gummed, orange)
• Fig. 3: Forged Jusqu’à Calcutta – microprinting detected

Identification and Authentication

• Ink, impression, and typography: Study the ink type, strike depth, and letterforms to date and authenticate markings; compare with known office handstamps.
• Contextual clues: Postmarks, transit cancels, air waybills, and rate calculations corroborate the intended service limit.
• Forgery awareness: High-value or rare Jusqu’à handstamps may be forged or added later—expert certification or comparative reference checks are recommended.

Timeframe: 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

Are you looking for a specific Jusqu’à marking identified by Ian McQueen? Do you have a cover you believe is referenced in his study? Contact your local philatelic society or post a scan in the Airmail Collectors’ Club forum for authentication assistance.