 <unk> 's name was erased from some monuments , in what Edward <unk> regards as an " outburst of private zeal " . Many portraits of <unk> were reworked to represent other figures ; according to Eric R. <unk> , over fifty such images survive . This reworking of images is often explained as part of the way in which the memory of disgraced emperors was condemned posthumously ( see <unk> <unk> ) . <unk> , however , doubts that the practice is necessarily negative and notes that some continued to create images of <unk> long after his death . 
