How Did the Court in King's Norton Metal Co Ltd

How did the court in King's Norton Metal Co Ltd v Edridge, Merrett & Co Ltd distinguish the facts of that case from those of Cundy v Lindsay?

A) The defendant in King's Norton was a bona fide purchaser whereas the defendant in Cundy was not, having acted in bad faith.
B) The claimant in Cundy had rescinded the contract whereas the claimant in King's Norton had not.
C) In Cundy, the rogue assumed the identity of a real and existing firm known to Lindsay, but in King's Norton the rogue invented a firm to deceive the claimant with.
D) In both cases, the rogues had assumed the identities of real firms in order to contract with the original owner, but in Cundy the owner actually knew of the firm by reputation, whereas in King's Norton the owner did not.