1871 Bulgaria Filibe Plovdiv Dulos Cover to Sarajevo
Code: B30040
Ottoman Bulgaria: 1871 folded complete entire to Bosna (Sarajevo) franked with 1pi and 2pi irregular perf. of 1869-71 Dulos stamps for single weight 3pi piastres 101 to 200 route hours letter rate (it was 139 route-hours) tied by double circle FILIBE 81 (today Plovdiv, vilayet Eastern Rumelia, A&P type 4, BG #61) handstamp.
