Lot 10068 – HARBIN WHARF: 1917 Double weight registered cover

HARBIN WHARF: 1917 Double weight registered cover to Switzerland franked two 20k tied by HARBIN WHARF ‘zh’ 7 10 17 cds (= 20 10 17 new style), 2 registration labels alongside (1 in Latin as required by UPU regulations), opened and resealed by Military Censor in Petrograd (sealing slip partly lifted), Lausanne arrival backstamp of 4 1 18 reflecting delay in censor’s office and difficulty of wartime communications, fine, ex Casey