Watch List notes:

LESBOS. Mytilene. Circa 377-326 BC. Hekte (Electrum, 10 mm, 2.57 g). Laureate head of Apollo to right. Rev. Head of Artemis to right; behind, coiled serpent; the whole within linear square. Bodenstedt 100a. HGC 6, 1026. SNG von Aulock 1715. Of exquisite style; fine die engraving. Good very fine.

From a Swiss collection, ex Nauman 56, 6 August 2017, 182.