Constantine I AE Follis of Heraclea, struck 325-6 AD, 18.1 mm. 3.3 g. 

CONSTANTINVS AVG, laureate head right.
DN CONSTANTINI MAX AVG around VOT XX and star within wreath.

Mintmark SMHB. 

RIC VII Heraclea 60; Sear 16224.

With permission of Eidmar auction 3, lot 638 (on biddr.com), March 2024.