Unpaid EL from "TRIEST*6.4.72" (Gregorian) to Athens fr. on arrival with 10l. orange, 20l. blue and 40l. dull grey mauve on blue with dull olive-green CF and canc. "ΑΘΗΝΑΙ*30.ΜΑΡΤ.72". This is the first known date of circulation for this particular 40l. stamp which was previously only known used in April 1872. Important item for specialists. 10l. cut the other 2 stamps are intact. (Hellas 40a+35c+42IIba).