Ruse-Rusçuk: Official cover from Ruse to Constantinople showing very fine struck of all Arabic negative ‚An Canib-i Posta Rusçuk 265 = on behalf of Ruse Post Office 1849‘ blue handstamp (Coles & Walker fig. 58) alongside all Arabic rectangle negative ‚Tahriraat-i Muhimme = Important letter‘ seal, at top left side showing weight 5 Dirhem / postal charge 5 piastre 20 paras in manuscript