Alexander III, AV stater. Lampsakos mint. Struck 328-323 BC. 19mm, 8.54 g. 

Helmeted head of Athena right, with helmet decorated with a coiled serpent.
ALEXANDROY, Nike standing left, holding wreath and stylis. Conjoined foreparts of two horses back to back in left field, D in lower left field. 

Price 1357; Müller 395.

With permission of UBS Gold & Numismatics auction 64, Lot 50, Jan. 2006.