Deliberate mistake: In order to get to Julius Caesar and evade her nasty brother Ptolemy's assassins, Cleopatra concealed herself in a rug that she has a slave carry to Caesar. Look at the furled rug the slave carries on his shoulder. Then watch Cleopatra fall out as the slave tosses the rug to the floor and unfurls it. The slave would have needed wall-to-wall carpeting to hide her.
Deliberate mistake: Elizabeth Taylor suffered a tracheotomy while filming the movie. A noticeable scar on her throat appears and disappears randomly during the movie.
Answer: The people of higher rank would usually have more or better armor so in his case that would probably be extra armor for his legs and arms.