Rhescuporis V, Bosporos, AE Semis. Dated Year 622, AD 325-326. 19 mm, 7.65 g.

BACILEVC RICKOVPORIC, Bust of Rhescuporis right, wreath in right field before chin.
Bust of Constantine right, date BK-X across fields. 

Anohkin 771s.
  
With permission of Leu Numismatik AG Auction 17, Lot 941, Aug, 2021.