Constantine I. 306 - 337 AD. AE folles. Thessalonica mint, struck 324 AD. 

CONSTANTINVS AVG, laureate head right.
DN CONSTANTINI MAX AVG around VOT XX in two lines within wreath, dot in badge at top of wreath. 

Mintmark TSAVI. 
RIC VII Thessalonica 123; Sear 16221.

With permission of Eidmar auction 5, (on biddr.com), Nov. 2024.