BATMAN (1940) #173

Secret Identities For Sale! Batman, Robin, Commissioner Gordon, and several of Gotham City’s finest, prepare to raid the secret headquarters of Mr. Incognito, the mysterious masked mastermind of Gotham City’s underworld. With the Dynamic Duo leading the way, the officers storm Mr. Incognito’s building. A fierce melee breaks out, as the Caped Crusaders, along with Gordon’s officers, battle against Mr.…