Constantine II AE3 of Ticinum. AD 316-340 AE3 

Obv: CONSTANTINVS IVN NOB C, laureate, draped and cuirassed bust right.
Rev: DOMINOR NOSTROR CAESS around VOT X crescent in three lines.
Mintmark TT.
RIC VII, 172.

With permission of Heidelberger Münzhandlung Herbert Grün e.K, May 2015.