she wore a valentino navy-blue suit with a russian sable flung around her neck , maud frizon pumps , and she carried a navy purse emblazoned with the hermes h. daniel cooper , seated at a small round table in a corner of the lobby with a glass of perrier before him , watched tracy as she greeted her escort , and he felt a sense of enormous power : justice is mine , sayeth the lord , and i am his sword and his instrument of vengeance .