Description
1943 (Nov 26) Plain envelope by airmail to Pvt. Henri van der Wieken, Royal Netherlands Troops in England, P.O. Box 237, London E.C. 1 (Undercover address for Polish free forces fighting with the Allies) bearing USA prexie 30c tied Brooklyn N.Y. Flatbush Str. date stamp & with red losenge Crown over PASSED P.94 hand stamp