Watch List notes:

Greek Italy. Etruria, Populonia. AR AR Trias?, 4th century BC. D/ Crested Corinthian helmet to right, three pellets around. Linear border. R/ Blank. Vecchi EC -. AR. g. 0.41 mm. 8.50 Unicum. Unpublished in the standard reference and hiterto unknown. For a similar type of 5 Units cf. Artemide sale 52, 2019, lot 18. VF.

If the three pellets around the helmet are Onkion marks of value, this issue may well be a silver Trionkion issue close to half the Sicilian silver Onkia standard of about 0,07g.