Triple weight cover from "ΠΑΤΡΑΙ*25.ΟΚΤ.61" fr. with 20l. blue and 40l. mauve on blue canc. "9" (in the middle), arr. "ΑΘΗΝΑΙ*27.(ΟΚΤ.61)". Stamps were canc. on arrival too by dotted "1" (two strikes), so totally 3 strikes dotted canc. "1"+"9"+"1". Very fine and uncommon. (Hellas 5a+6a).