Watch List notes:

Seleukid Kingdom. Alexander I Balas, 152/1-145 B.C. Silver Tetradrachm (16.77 g). Uncertain Mint in northern Syria. Diademed head right. Reverse: BAΣIΛEΩΣ AΛEΞANΔPOY, Zeus Nikephoros seated left, no control marks or date. SC 1812 (this coin cited and illustrated), CSE 559 (this coin), HGC 875d. Extremely rare. Lightly toned over minor obverse porosity. Extremely Fine. Estimated Value $1,500 - UP
Ex Arthur Houghton Collection (CNG 72, 14 June 2006), 950, purchased from Munzen und Medaillen AG, September 1966.