Watch List notes:

MYSIA. Kyzikos. Circa 500-450 BC. Hekte (Electrum, 11 mm, 2.62 g), c. 450. Head of Zeus-Ammon, (or a local river god) to right, with bull's ears; below, tunny fish to right. Rev. Quadripartite incuse square. Unpublished and unknown for this denomination, cf. Boston 1520. Greenwell 3. Gulbenkian 640. SNG France 281. Von Fritze I 130 (all as stater). Same dies as Triton XIX, 2017, 172. Less than five examples exist of this type; great style, very artistically engraved obverse die. Obverse struck slightly off-center, otherwise, nearly extremely fine.

From a Swiss collection, ex Naumann 50, 5 February 2017, 172.