Lysimachos. AR Tetradrachm. Amphipolis mint. 288-281 BC. 28mm, 16.78 g. 

Head of the deified Alexander right, with horn of Ammon.
BASILEWS LYSIMAXOY, Athena seated left, holding Nike, resting left arm on a shield adorned with a lion's head. 

PY monogram in left field (with dot in the P), IA monogram in outer right field.

Thompson 199b.

Sold by Heritage World Coin Auctions - Dallas Signature Sale 3093, Lot 31035, Oct. 2021