Nero

56 - 57 A.D.
year 3 - Γ
26mm x 26mm, 14.36 g.
Obv. - Nero bust left:

Rev. - Galley, 1

Nero

57 - 58 A.D.
year 4 - Δ
26mm x 26mm, 14.40 g.
Obv. - Nero bust left:

Rev. - Galley, 2

Commodus

188 - 189 A.D.
year 29 - KΘ
22mm x 22mm, 11.35 g.
Obv. - Commodus bust right:

Rev. - Galley sailing right