Cover (small worn) from "ΑΘΗΝΑΙ*5.ΜΑΙΟΣ.73" fr. with 10l. red-orange with inverted "10" on CF, 20l. deep blue and 40l. brownish lilac on greenish (uncommon), arr. "GRECE-ST MICHEL 2*23.MAI.73" in blue. This is the first known date of circulation for the 20l. stamp (see Caligas The stamps of the Large Hermes Head page 42). Provenance Vlastos 145/lot 201/7.12.1991. (Hellas 40bNm+41b+42IIa).