Watch List notes:

CYCLADES, Tenos. Circa 200-188 BC. Æ (18mm, 4.21 g, 12h). Head of Zeus Ammon right, wearing laurel wreath / Poseidon standing left, holding dolphin in extended right hand, left hand on grounded trident to right; rose to lower left; THNIΩN to right. É&A-G 207, Type I, Group a, 9 = Weber 4737 (this coin); HGC 6, 739 (this coin illustrated); Joy 569; SNG Copenhagen 783; BMC 31-2. Green patina. Good VF.

From the William H. Birkinshaw Collection. Ex Christopher Morcom Collection (Classical Numismatic Group 76, 12 September 2007), lot 663; Sir Hermann Weber Collection, 4737; Gen. W. Yorke Moore Collection.