Cover fr. with 10 red-orange perf 11 1/2 canc. "ΑΘΗΝΑΙ*1.ΙΟΥΝ.92", arr. "ΠΕΙΡΑΙΕΥΣ*1.ΙΟΥΝ.92". After March 30, 1891 postal rates between Athens and Piraeus were reduced from domestic to local. 10 lepta for a cover up to 15grams. Flap miscut, a part is missing. Still fine and a scarce postal history document. (Hellas 98a).