Well, the stock bar is a bowed flat bar, along the lines of the Noah, but these are modern bars, not what you'd find in Art Nouveau. The bar's gotta have a moderate amount of drop/rise, and offer a fairly moderate backsweep with distinct rather than continous bends.

Condorina? Love the Condorina, and I've got one on order, but it will go on another bike, the mixte minivelo.