Tralles, Lydia, AR Cistophoric tetradrachm. 140-135 BC. 29  mm, 12.53 g. 

Cista mystica with serpent, within ivy wreath.
TRA to left of Bowcase between two coiled serpents, ATR monogram above, facing, radiate head of Helios in upper right field.

BMC 24; SNG von Aulock 3255; SNG Cop 649; Imhoof LS 10; Asia Minor hoard 1928, 144-148; Kleiner-Noe Series 45.

With permission of UBS Gold & Numismatics auction 61, Lot 4370, Sept.2004.