Rural posthorn "980*10.V.59" on cover (fr. with 2.50dr 1959 Ancient Art (III) with 9 instead of 10 pearls on upper right side) via "ΚΡΗΤΗΝΙΑ*10.V.59" and "ΡΟΔΟΣ", arr. "ΒΑΣΙΛΙΚΑ ΑΝΑΚΤΟΡΑ*12.V.59". Scarce.