`` what 's disconcerting is that it happened even though the dollar has done well , '' said john herron , a syndication specialist at bankers trust international ltd. friday , swiss bank corp. australia ltd. offered 75 million australian dollars of four-year 12 5/8 % bonds at 101 3/4 to yield 12.05 % , even though a drop in the australian dollar thursday knocked about a point off the price of bonds in that currency .