Lysimachos, king of Thrace, AR tetradrachm, Byzantium, 16.58 g. 323-281 BC. 

Head of Alexander with horn of Ammon right.
BASILEWS LYSIMAXOY, Athena seated left, holding Nike and sceptre, resting left arm on shield.
IME monogram in left field. BY on side of throne, trident in exergue.

Müller 202; Mionnet I, 100; CN 21001.

With permission of UBS Gold & Numismatics auction 63, Lot 124, Sept. 2005.