1921 Britain (15 Jun) to Peking, returned to sender, f.w. KGV 1d in strip of 3. Transit Shanghai (7 Jul). In combination with 1st print
1921 Britain (15 Jun) to Peking, returned to sender, f.w. KGV 1d in strip of 3. Transit Shanghai (7 Jul). In combination with 1st print officially sealed label, tied by Peking (15 Aug). On front affixed with slips instrucing return.1921.6.15 英國寄北京，退回寄件人，貼佐治五世1便士橫三連。7.7經上海。加貼第一版民國代封票，銷北京8.15到達戳。正貼有退回指示憑單。
