Revealing mistake: In the news reel detailing the Kohinoor theft, a few headlines appear, and at least one persists on screen long enough to easily spot the inconsistency between headline and article (filler text presenting a new local magazine from the London district of Lambeth). (00:09:00)
Continuity mistake: At the start when the stall holder is throwing her sign in the bin, the way it's facing changes between shots. In one shot the straight edge is facing left, then right, then left again. (00:13:10)
Continuity mistake: In the scene with Crazy Cody, he holds a bottle of honey with his left hand. When he pours it on himself, the bottle is in his right hand.