77 79; Phil.08.07.18 = 9 October 316 B.C.) and the, until recently, earliest tablet dated to Antigonus Monophthalmus (CT 49 34; Antig.03.07. = December/January 315/4 B.C.) pose no problem at all.
We have no direct cuneiform or Aramaic documents dating from the period of Antigonus Monophthalmus as king.
At the fifth "Ancient Macedonia" conference in 1989, Grzybek (28) proposed to identify the beginning of Demetrius' (virtual) rule with that of his father Antigonus Monophthalmus. (29) This would mean that Demetrius' first (virtual) Macedonian regnal year was 317/6 B.C.