Watch List notes:

KINGS of BOSPORUS. Cotys III, with Severus Alexander. AD 227/8-233/4. EL Stater (19mm, 6.73 g, 1h). Dated BE 525 (AD 228/9). Diademed and draped bust of Cotys right / Laureate head of Severus Alexander right; globe before, ЄΚΦ (date) below. MacDonald 574/2. Good VF.

From the Douglas O. Rosenberg Collection. Ex Classical Numismatic Group Electronic Auction 344 (12 February 2015), lot 291.