CHINA - Turkey. 1914 registered cover to Smyrna, bearing 20c tied by Hankow 18 Sept '14 bilingual c.d.s.with red boxed R-HANKOW, sent via Siberia & Censored by provisional paper label tied by Russian straightline Censor handstamp. of Irkutsk (recorded Aug - Dec 1914), on to France where 3 boxed handstamp. (Retained by Censor, return to origin) applied. Cover held for 6 years & forwarded to destination, where it was 'Undeliverable', then returned bearing the following transits: Stamboul depart, Br. PO Constatinople, Port Said, GPO Hong Kong & Br. PO Hankow. Remarkably well travelled item with RARE Russian censor. (Photo). Est. 500 - 600 CHF.