Watch List notes:

Diadumenian, as Caesar, Æ 18mm of Tyre, Phoenicia. AD 217-218. [M OP DIADVMENIANVS CAES], bare-headed and cuirassed bust to right / [SEP TYRVS ME]TROP COLON, palm tree flanked by club downward to left and murex shell to right. BMC -; Rouvier 2346; AUB 219; Babelon 2214. 7.22g, 18mm, 6h.

Good Fine; earthen repatination.

From a private UK collection;
Ex Classical Numismatic Group, Electronic Auction 350, 6 May 2015, lot 417.