Atrebates, Commius AR minim, 7.5 mm, 45-30 BC. 0.29 g. 

Celticized head left, curved ladder-shaped hair, eye as a dot in circle. 
Horse standing left, dot in circle above and below. 

Seaby 70; BMC 759-760; ABC 1043; Van Arsdell 358-5
Very Rare

With permission of TimeLine Auctions 
(www.timelineauctions.com), Jan. 2021