1925 Harbin (20 Mar) to Switzerland via USA. Registered cover, f.w. Junk 1c in pair, tied by Harbin “K3” bilignual cds., along with
1925 Harbin (20 Mar) to Switzerland via USA. Registered cover, f.w. Junk 1c in pair, tied by Harbin “K3” bilignual cds., along with “KISOK 3” cachet and registered label. Arrived Switzerland (22 Apr). “Via America” annotation may suggests that the sender was concerned about the reliability of Siberian route. Scarce example posted at kiosk. Illustration in Farquhar’s book.1925.3.20 哈爾濱寄瑞士。掛號封，貼帆船1分雙連，銷哈爾濱K3三格英漢日戳，旁見“KIOSK 3”橫戳及掛號標籤。4.22抵瑞士。少見之郵亭投遞例子。Farquhar著作圖例原件。
