Cover sent from Milan (date cancel 19.12.1939) to a 'premises unoccupied' in London. Hand-stamped 'MAISON VIDE' (empty house) in violet together with date stamped (27.12.1939). Further hand-stamp 'AL MITTENTE' (return to sender) in black. Opened by British censor and resealed ('P.C. 66/ OPENED BY/ CENSOR/ 1193'). With Milan date stamp to reverse (08.01.1940). Note: It appears that 84 Oxford Street may have been destroyed during the blitz on London. Ref: 19.12.1940