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While "Jusqu'à" markings are most famous in standard maritime mail (indicating the port where a sea journey ended and land transport began), McQueen’s book explores how these concepts apply to . Specifically, it investigates markings that denote: Jusqu-a Airmail Markings- A Study Ian McQueen
McQueen divided handstamps into logical categories, such as bar cancels, cross cancels, and specific text-based instructions. Are you trying to on a cover you own
Detailed visual catalogs of handstamps from around the world. such as bar cancels
