Watch List notes:

MYSIA. Pergamum. 133-67 B.C. AR cistophoric tetradrachm. 12.54 gm. 26 mm. Cista mystica with a serpent emerging left, all within a wreath / A bow-case with two serpents, a monogram to the left and a serpent-staff to the right; MA above. SNG Cop 421. Good Very Fine; attractive old collection toning with traces of iridescence, on good metal; well centered.