Inscribed by Its Owner?

418, Lot: 303. Estimate $200. Sold for $240. This amount does not include the buyer’s fee.

CARIA, Alabanda. Circa 173-167 BC. AR Tetradrachm (33.5mm, 16.66 g, 12h). In the name and types of Alexander III of Macedon. Dated CY 1 (169/8 BC). Head of Herakles right, wearing lion skin / Zeus Aëtophoros seated left; in left field, Pegasos left; A (date) below throne. Meadows, Alabanda, Group 3, dies A4/A55; Price 2460; DCA 311. VF, toned, minor double strike and graffito (ZHNω [= Zeno]) on reverse.

From the Colin E. Pitchfork Collection.

One wonders whether the Zeno named by the reverse graffito had been an owner of this coin?