Jusqu-a Airmail Markings- A Study Ian Mcqueen |work| -

: Transit and arrival stamps on the reverse of the envelope must be tracked chronologically to confirm the exact date the letter transitioned from air to surface transit. Legacy of the Study Jusqu'a Airmail Markings. (A Study) by MCQUEEN Ian

Perhaps the most valuable asset of McQueen’s work is his mapping of postal routes. By analyzing the "Jusqu'à [City]" strike alongside backstamps and transit marks, McQueen could precisely reconstruct the historical flight paths of early aviation pioneers like Imperial Airways, Air Orient, and KLM. Collecting and Analyzing Jusqu'à Covers Jusqu-a Airmail Markings- A Study Ian McQueen

South American or European mail often utilized high-speed transatlantic air routes but reverted to standard rail delivery once reaching the United States mainland. : Transit and arrival stamps on the reverse

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