Jusqu-a Airmail Markings- A Study Ian Mcqueen !!exclusive!! -

The book serves as a meticulous catalog of the specialized instructional markings used by postal authorities to indicate where airmail transport ended and surface transport began. These markings—typically in the form of handstamped boxed or unboxed text—were essential during the mid-20th century to prevent the "over-carriage" of mail beyond the point for which the airmail fee had been paid. Key Strengths of the Study Comprehensive Classification:

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