Watch List notes:

Macedonian Kingdom. Alexander III the Great. 336-323 B.C. AR drachm (16.8 mm, 3.93 g, 11 h). Tyre mint, struck ca. 305-290 B.C. Head of Herakles right, wearing lion's skin headdress / AΛEΞANΔPOY, Zeus seated left on throne, holding eagle and scepter; monogram in left field. Price -; Müller -. VF, rainbow toning. 

According to Price, this monogram is only known for Tyre, but it is not listed on a drachm.