Celtic, The Leuci. Circa 1st Century BC. Head left with three locks of hair / Boar standing right. 16mm, 4.15 grams. CCCBM III 405ff; Scheers 186.
This design seems to be based on the bronze coins of Philip II of Macedon.
The Leucī were a Belgic tribe dwelling in the southern part of the modern Lorraine region during the Iron Age and the Roman period.