Description
1942 (Jan 15) Plain envelope by airmail to Madam J. Buisset-Devillers, c/o M.A. Muklemann, 12 Bubenbergsh, Berne from Joseph Buisset, c/o P.O. Post Box 218, London E.C. 1 (This was the undercover address for free Belgian Forces fighting with the Allies) bearing GB GV1 5d tied machine cancel with place of origin blotted out for security & with PC 90 OPENED BY EXAMINER 2347 label imprinted 51-2103. G.& F. Ltd. ….Nice 5d airmail rate from Undercover address