Batman:  Catwoman 's up there , and she 's about to make off with a bundle if we let her .
Commissioner Gordon: But Batman , we still do n't know what she 's stealing .
Batman: Eight pieces of catgut .
Chief O'Hara: How much could they be worth ?
Batman: Plenty ! They 're attached to two Stradivarius violins . Each _ one _ is being sold today for a quarter of a million dollars .