1896 Olympic Games, complete set of 12 values canc. "ΑΘΗΝΑΙ-4". 5l+5dr canc. "ΑΘΗΝΑΙ-4*25.ΜΑΡΤ.1896" (first day of issue) while 10dr canc. "ΑΘΗΝΑΙ-4*4.ΑΠΡ.1896" (last day of the Games). Very fine and very difficult to be collected. (Hellas 109/120).