cover TIENTSIN: 1891 (11 March) envelope to Colchester bearing a faint strike of double-oval, "TIENTSIN CUSTOMS/MAIL MATTER" oval in violet, France Peace and Commerce 25c. affixed over this h.s. and cancelled by two strikes of "SHANG-HAI/CHINE" c.d.s.; reverse bears a fair strike of Customs, double-oval despatch c.d.s. in violet with transit marks including French packet boat dated ocatgon, scarce. Photo