Watch List notes:

GAUL. Massalia. Circa 130-121 BC. Drachm (Silver, 16 mm, 2.69 g, 4 h). Diademed and draped bust of Artemis to right, wearing pendant earring and pearl necklace, and with her bow and quiver over her shoulder. Rev. MAΣΣA Lion prowling to left, with open jaws and upraised right forepaw; below, Λ; in exergue, AΘ. Depeyrot 44/4. LT 1112. Very well-struck and attractively toned. Extremely fine.
From the Prospero Collection, New York Sale XXVII, 4 January 2012, 1.

An exceptionally, and unusually, fine example of this coinage, of splendid style.