20mm diameter , 5.82g
Struck at an uncertain Asia Minor mint. This is an interesting issue (Price 2800) as they are quite attractive compared to most Alexander III AE's. In addition, about 3/4 of the examples have the same countermark which indicates that they were probably counterstruck before they were in circulation very long.
Obv: Bust of Heracles wearing a lion skin
Rev: Bow in case, "BASILEWS" club and race torch below.
Price 2800