Watch List notes:

LUCANIA. Metapontum. Circa 340-330 BC. Didrachm or nomos (Silver, 20 mm, 7.88 g, 7 h), signed by the Kal... engraver. Laureate head of Zeus to right; behind head, thunderbolt. Rev. ΜΕΤΑΠΟΝ Barley ear with leaf to right; above leaf, ΚΑ[Λ] and poppy head. HN III 1558. Johnston A6.2. SNG ANS 412 var. Very rare with the poppy on the reverse. Nicely toned, and with a majestic head of Zeus, very well-struck. Traces of corrosion under the toning, otherwise, extremely fine.
From a Swiss collection, formed prior to 2005.