Watch List notes:

Etruria, Populonia (211-206 BC), AR 20-Asses, Gorgoneion facing (head of Metus), rev. residual detailing in brockage format, largely uniface, 8.33g (Vecchi, "The Coinage of Rasna, Part II", SNR 69 [1990], 56; Vecchi 52/23-24 same dies; SNG Copenhagen 1; SNG ANS 77 same dies), struck with a broken obverse die, otherwise about very fine.
Provenance
CNG Sale 45, 18 March 1998, lot 15
Estimate: £300 - £400