Constantine I AE3. 330-335 AD. 17 mm, 2.85 g.

CONSTANTI-NVS MAX AVG, pearl-diademed, draped, 
cuirassed bust right.
GLOR-IA EXERC-ITVS, two soldiers holding spears and shields with two standards between them, dot or o on banners.

Mintmark: SMK delta

RIC VII Cyzicus 79, rated R3

With permission of Leu Numismatik AG auction 17, Lot 2982, Aug. 2021.