1885 (July 24), 20pa black & rose, perforated 13.5, horizontal pair, tied to cover to Plovdiv by blue circular grid cancel, Ichtiman c.d.s. despatch below, reverse with next-day blue bilingual c.d.s. receiver, with enclosure, pair slightly separated prior to being affixed to cover, a few trivial edge flaws, else a fine example of the 1pi double inland letter rate.
