British Celts, Tincommius or Tincomarus. AV quarter stater. 11 mm, 1.18 g. ca. 30-25 BC. 

Multi-armed spiral with dot in centre.
T above celticized horse right, dot below.

Van Arsdell 366-1; Seaby 73.

With permission of Harlan J. Berk Buy or Bid Sale 175, Lot 30, July 2011,