Watch List notes:

SICILY. Himera. Circa 430-420 B.C. Æ hemilitron. 24.59 gm. 26 mm. Gorgoneion with tongue protruding over lower lip, extending past chin / Six pellets. CNS I p. 34, 23. HGC 2, 463. SNG ANS 4, 177ff. Calciati 23/1. Very Fine; smooth brown patina. Unusually well centered and evenly struck.Ex Rockefeller University, Dr. Alfred Mirsky collection.Ex Pegasi Auction 29, lot 38 (described there as "Rare and choice, of the finest style." and estimated at $1,000).Includes David Sear certificate of authenticity and thorough description.