1909 (14 Jan) Urga Chinese Post Office FDC to Kalgan. Red band cover, f.w. Coiling Dragon 4c in pair for double rate on reverse, tied by
1909 (14 Jan) Urga Chinese Post Office FDC to Kalgan. Red band cover, f.w. Coiling Dragon 4c in pair for double rate on reverse, tied by scarce “Mongolia / Urga” Hellrigl type 1 cds with outer rim. Arrived Chihli. Cover opened out for display. Illustration fig 55, p.105 in “The Postal History of Mongolia 1841-1941” by W.C. Hellrigl. With original exhibit page. Extremely historical.1909.1.14 庫倫中國郵局首日封寄張家口。紅條封，背貼蟠龍4分雙連，合雙倍郵資，銷“蒙古庫 倫”Hellrigl 1型日戳帶外圈。抵直隸。封剖開以作展示。WC Hellrigl著《The Postal History of Mongolia 1841-1941》第105頁圖55原件。附原展頁。極具歷史意義。
