Alexander III the Great  336-323 B.C. AE half-unit

(16.5 mm, 3.43 g, 10 h). Uncertain Macedonian mint, struck 323-310 B.C. (Amphipolis?). Macedonian shield; race torch on boss / Β Α / Σ Ι, Crested Macedonian helmet with cheek guards; in bottom field, trident head right to left of caduceus right, both above monogram . 
The race-torch - traditional badge of Amphipolis - uncommon boss, 

Reference : Price 0420. NVF, Purchased from cgb.rf Feb 2023

Collection : Macedonian shield coins