AE Tessera. early Roman times. 

MORA, two men seated facing each other at a table, playing the
finger game Mora, the man on the left throwing out fingers,
whilst the man on the right guesses.
VI within wreath. 

Hess 1912, lot 467 (this).

Note; The Roman game Mora was invented by the Egyptians
and called Atep. 
The game of Mora is still played in Italy today.
The men in the image are playing the "single" game, in which
one throws out a number of fingers as the other guesses how
many fingers will be shown.