Watch List notes:

Anonymous. Circa 270 BC. Æ Aes Grave Semis (57.5mm, 191.50 g, 12h). Rome mint. Pegasus flying right; S (mark of value) below / Pegasus flying left; S (mark of value) below. Crawford 18/2; ICC 34; HN Italy 280; RBW –. Dark green-brown patina, some roughness, somewhat irregular edge. VF. Rare.

From the Dr. Michael Slavin Collection. Ex Pegasi Auction XI (19 October 2004), lot 354.