Coin from the collection of prof. Bartosz Awianowicz.
Roman Provincial
Egypt, Alexandria, Diocletianus (284–305), BI Tetradrachm 285-286
Obverse: laureate bust right
A K Γ OVAΛ ΔIOKΛHTIANOC CEB
Reverse: Athena standing left, holding Nike and spear, L-Δ across field
Diameter 19 mm, weight 8.43 g