Rural posthorn "360*3.VIII.61" (21mm diam.) on registered cover from "Καστανοχώριον", via "ΙΣΑΡΗ" and railroad canc. "Κ.ΤΡ.-ΠΕΙ.2Β*3.XII.60", arr. "ΒΑΣΙΛΙΚΑ ΑΝΑΚΤΟΡΑ*5.VIII.61".