End of the second century BC (Crowther 2004)
320-310 BC (see the commentary)
350
ca. 500 BC (dated on letters form)
306/5 BC
issued in the seventh year of the kingdom of Ptolemy (i.e. Ptolemy III) son of Ptolemy (II) and Arsinoe (240 BC), on the second day of the month Dystros (February: Dittenberger et alii; May-June: Sherk), under the priesthood of Theodotos
late 3rd century – early 2nd century BC
525-500 BC
Both palaeography and orthography seem to be consistent with a 1st century BC dating, probably around 50 BC
335 BC ca.