Kings of Macedon, Antigonos I Monophthalmos (Strategos of Asia, 320-306/5 BC) AE Half (Bronze, 4.17g, 15mm) Sardes, Struck under Menander or Kleitos, ca 322-319/8 BC.
Obv: Macedonian shield, kerykeion on boss
Rev: Macedonian helmet; B A across upper field, kerykeion to lower left, rose to lower right, monogram below.
Ref: Price 2688 corr. (half unit)