Perseus, King of Macedonia. AE18. 179-168 BC. Pella or Amphipolis mint. 7.56 g. 

Head of Perseus right in winged helmet, harpa before head.
B-A across upper fields, eagle standing front on thunderbolt, head right, wings spread. 
ER monogram in left field. S and Gamma H monogram below. 

SNG Munich 1208. SNG Cop. 1278 corr. ("H"). 

Sold by Münzzentrum Rheinland, auction 189, Lot 108, Sept. 2019.