Gallienus, 253 - 268 AD
AE Diobol, Thracian Chersonese, Coela Mint, 23mm, 5.25 grams
Obverse: IMP GALLIHN, laureate bust of Gallienus right, B countermark over portrait, small pellet countermark (mark of value) in right field.
Reverse: AEL MVNICIP COEL, Diana in short dress advancing left holding patera and long torch.
Varbanov 2654 // BMC p. 193, 14 // Howgego 754 Scarce type and with denomination countermarks. A difficult coin to photograph. Attractive red and green patina.