Prepaid entire letter fr. with 3x5l. green + 40l dull grey-mauve on blue canc. "ΖΑΚΥΝΘΟΣ*20.ΜΑΡΤ.74", via "ΚΕΡΚΥΡΑ*21.ΜΑΡΤ.74", boxed "PD", arr. "TRIEST". All stamps very fine. (Hellas 39b+42IIb).