Ottoman Turkey: 1878 (January/February). Cover to Istanbul franked with Dulos type irregular perf. overprint and borders brown 2pi of 1870, 10pa and 20pa of 1875 and 1pi of 1876 stamps for 1 1/2 piastres up to 100 route-hours overland and 1 piastre littoral combined rate of 2 1/2 piastres and half of the combined rate 1pi10pa for double weight fee tied by triple box ERZURUM 81(A&P type 2, R) handstamps and 9 February Bagthce Capussi arrival ds. Route was overland to Trabzon Port via Erzincan then by ship to Istanbul.
