Watch List notes:

IONIA. Uncertain mint. Circa 600-550 BC. Hemihekte or 1/12 Stater (Electrum, 8.5 mm, 1.75 g). Shield (?) composed of two concentric circles with a central pellet, and surrounded by ten projections or pellets. Rev. Incuse square. SNG von Aulock 1941 (this coin). Impressive and intriguing. Minor marks, otherwise, about extremely fine.
From a Swiss collection, ex Sincona 10, 27 May 2013, 135 and from the collections of James & Sneja Velkov, Vinchon, 24 November 1994, 102, and H.S. von Aulock.