(at about 51 mins) The London Gossip editor, while talking to Jim, lets his monocle drop, then does it again in the next edit about one second later.
Bayliss tells James Crocker, Jr. that Robert the Bruce fought to gain the throne of England. He was, in fact, fighting for the throne of Scotland.
Count Olav Osric (Frank Morgan) disguises himself as a Danish count and introduces himself as Osric. But at a dinner party with the same people, they call him Olaf.