1851, FILIBE with crescent (Postahane-i Filibe 1278) (Coles-Walker no.17,Plovdiv, RRR) very clear cancellation on prefilatelic folded envelope to Constantinopoli, at upper left notation of weight 3 dirhem / postal charge 6 piastre in manuscript for registration fee. Blue all arabic ‘registered’ alongside, usual file fold, otherwise fine. PROFI has not recorded any further registered mail from Plovdiv with this cancellation
