, this book is indispensable. While it is a technical "study" rather than a narrative history, McQueen’s clear organization makes it accessible for anyone trying to understand the journey of a specific airmail cover. It remains the "gold standard" for this niche, often cited in auction catalogs and expertizing certificates.
indicating it traveled by air to India and by sea the rest of the way. UPU Compliance: Jusqu-a Airmail Markings- A Study Ian McQueen
Detailed visual catalogs of handstamps from around the world. , this book is indispensable
McQueen provides an exhaustive listing of known "Jusqu’à" markings from across the globe, categorizing them by country, city, and specific physical characteristics. Historical Context: Beyond a mere list, the study explains the Universal Postal Union (UPU) categorizing them by country