1885 (June), cover franked with two 5pa perf 11.5, one each of 10pa, 20pa, and 1pi, perf 13.5, tied to reverse of registered cover to Kehl by circular grid cancels in blue, front with partial Plovdiv despatch c.d.s. and clear strike of boxed “U.P.U. / ROUMELIE / ORIENTALE / R”, reverse with Gabrovo (Jul 2) and Russe (Jul 5) transit backstamps, multiple Kehl c.d.s. receivers (Jul 20), three mostly intact wax seals remain, piece torn from upper right corner, 1pi adhesive discolored, but a most remarkable franking, paying the 2pi registered foreign letter rate, a late usage of the 1880/81 10pa and 20pa denominations, and an exceptional and iconic rarity of Eastern Rumelian postal history.
