Anonymous, 6th-4th centuries BC. Aes Formatum (Lead, 30 mm, 62.94 g), Etruria (?). Cast bronze shaped as a Cockle-shell. CNG E-Auction 481 (2020), 282. ICC Appendix p. 76, pl. 90, 5. Minor deposits, otherwise, good fine.
From an American collection, formed before 2005.