Revealing mistake: During the naval battle, a long rope runs from the side of a burning ship on the left, out offscreen, to keep it steady.
Revealing mistake: When Mark Antony jumps on the trapeze-shaped elevator, one can see it's Richard Burton's stunt double.
Continuity mistake: Mark Antony puts his cape over Casio's hands. A shot later, his hands are uncovered.
Continuity mistake: Mark Antony covers Casio's corpse with his cape except for his feet. A shot later, his feet are suddenly covered.
Continuity mistake: Mark Antony throws Casio's shroud away, but a shot later it reappears over his feet.
Continuity mistake: When Mark Antony walks over to Casio's corpse, the shroud covers the feet completely in the wide shot, but not the heels in the close-up.
Continuity mistake: When Cleopatra's boat arrives, the curtains are opened and translucent. When seen from a distance, they're closed and opaque.
Continuity mistake: Cleopatra tosses a cushion for Caesar to kneel. Its position changes between the first and second shots.
Deliberate mistake: Elizabeth Taylor suffered a tracheotomy while filming the movie. A noticeable scar on her throat appears and disappears randomly during the movie.
Continuity mistake: Caesar unrolls the rug where Cleopatra is and holds it upwards, while she rolls 2 metres ahead. An instant cut later, the rug is on the floor and she is barely half a metre away.
Revealing mistake: Cleopatra rides a sphinx during her spectacular introductory parade in Rome. Just as the Sphinx is about to pass through the Roman arch, sunlight casts shadows of the open girder lattice behind the Arch's facade.
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.