In many cases, "Jusqu’à" was printed as a standard form, and the specific destination city was written in by hand by the sorting clerk. 3. Key Routes and Historical Context
However, the phrase "per McQueen" remains the standard citation in expertization certificates. When the Philatelic Foundation or BPA (British Philatelic Association) certifies a "Jusqu’a" cover, they are essentially verifying that the marking conforms to the parameters set forth in Jusqu’a Airmail Markings: A Study by Ian McQueen . Jusqu-a Airmail Markings- A Study Ian McQueen
: It lists known markings by country, providing reference numbers for each and describing the "jusqu'à" cancels used worldwide. In many cases, "Jusqu’à" was printed as a
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: When the Philatelic Foundation or BPA (British Philatelic
Markings were often enclosed in rectangular frames, though straight-line handstamps were common in smaller hubs. Manuscript Additions: