Jusqu-a Airmail Markings- A Study Ian Mcqueen [cracked] -

The study of airmail postal history is filled with unique markings that tell stories of transit, logistical limitations, and international agreements. Among the most fascinating and specialized areas of this field is the study of "Jusqu’à" markings.

A significant finding is that no British or US “Jusqu’à” marking exists in official postal use; Britain used “By Air Mail To…” cachets, which McQueen distinguishes as functionally similar but philatelically separate. Jusqu-a Airmail Markings- A Study Ian McQueen