Macedonia Under Roman Rule. 168-146 BC. AE22mm 6.77 gm. O: Youthful head of the River-god Strymon right, with short horns and crowned with a wreath of reeds. R: MAKE-DONWN, trident, WIP and ME monograms to left and right of shaft. BMC. 45 Rare, charming and bold EF. $1250. The River Strymon formed the boundary between Macedonia and Thrace until the time of Philip II. This coin was probably minted at Amphipolis, and immediately south of this city the river drained into a bay of the Aegean Sea named Strymonicus Sinus. With permission of Tom Cederlind, Auction 150, March 2009.