Philip V of Macedonia.  AE12mm, 1.49 g. Struck ca 186-183 BC. 

Undecorated Macedonian shield.
B-A F-I in two lines to left and right of crested Macedonian helmet right. 

Mamroth, Bronzemünzen 17; SNG Alpha Bank 1102; Draganov 736. 
VF, green patina. 

With permission of cngcoins.com, sale 209, lot 79. Sold for $131.