Ottoman Empire: 1870 (3 March). Folded complete entire to Filibe (Plovdiv) franked with 20pa perf. 13 1/2 of 1868 and 1pi irregular perf. of 1869-71 Dulos type stamps for 1 1/2pi single weight letter rate tied by triple box DERALİYYE 81(A&P type 22) handstamps.
