543. Pergamon. Circa 160-150 BC. AR Cistophoric Tetradrachm (12.48 gm). Cista mystica with serpent; all within ivy wreath / Bow-case with serpents; stylis to the right. Kleiner-Noe Series 15; SNG Copenhagen 406. Good VF, nicely centered on a broad flan. ($150) CNG Mail bid sale #58, 18 Sept 2001, lot 543. Lot sold for $165. Used by permission of CNG, www.historicalcoins.com