Unpaid cover canc. "ΑΛΣΞΑΝΔΡΕΙΑ (ΤΟΥΡΚΙΑ)*30.ΣΕΠΤ.61" (type III) to Athens. This is the last day before the official introduction of the stamps in the Greek postal system. According to article 95/Sep 15-1861, letters in the P.O.s in Sep 30 1861 upon payment of the postage in cash, would have a stamp affixed equal to the postage paid. Taxed on arrival with 80l. Paris issue stamp tied by Athens cds. Arrival postmark "ΑΘΗΝΑΙ*9.ΟΚΤ.61". A rare usage of Alexandria pre-adhesive postmark on a very important cover connecting pre-adhesive era with the stamp period. Cover and stamp very fine.