Watch List notes:

Greek coins

Populonia. 20 units after 211, AR 8.37 g. Gorgoneion; below, X:X. Rev. Blank. Vecchi, Rasna 55 (this obverse die). Vecchi 58.127 (this coin). SNG Ashmolean 5 (this obverse die). SNG France 9 (this obverse die). Historia Numorum Italy 152.
In exceptional condition for the issue. Struck on a very broad flan and
unusually complete, old cabinet tone and extremely fine
Ex Vinchon 24 November 1969, 67 and NGSA 5, 2008, 12 sales.