Watch List notes:

KINGS OF BITHYNIA. Prusias I Chloros, circa 230-182 BC. Tetrachalkon (Bronze, 27 mm, 10.28 g, 12 h). Laureate head of Apollo to left; two countermarks: head of Tyche(?) left within circular incuse, and kithara within square incuse. Rev. ΒΑΣΙΛΕΩΣ / ΠΡΟΥΣΙΟΥ Helmeted and winged figure of Athena-Nike standing to left, crowning the king's name with wreath held in her right hand and resting her left on a shield by her side; in field to left, monogram. HGC 7, 615. RG 16. SNG von Aulock 6880. Dark green patina. Cleaning marks on the obverse, otherwise, very fine.