From the Bonazzi collection.
Greek Coins. Etruria, Populonia
20 asses circa 300-250, AR 19 mm, 8.34 g. Gorgoneion facing; below, X:X. Rev. Uncertain round perturbance. Sambon 48. Vecchi II, 27. ECC 47. Historia Numorum Italy 146.
Fine
Ex Ratto 25 January 1926, Bonazzi, 108. From a Swiss collection from Tessin assembled in the 1920's (sold with its original ticket).