Watch List notes:

IONIA. Erythrai. Circa 550-500 BC. Hemiobol (Silver, 7 mm, 0.44 g). Rosette with central pellet-in-annulet. Rev. Rough quadripartite incuse square. CNG E-Auction 319 (2014), 76. Gitbud & Naumann 35 (2015), 233. Leu Web Auction 1 (2017), 526-7. Rare and unusually attractive. Minor marks, otherwise, very fine.