Jackpot Comics #1

From 1941, this inaugural issue of Jackpot Comics arrives promising "All Brand New Stories" and delivers a cover by Charles Biro that crackles with Golden Age energy — four costumed heroes charging forward in formation against a radiant sunrise backdrop, with Steel Sterling, Black Hood, Mr. Justice, and Sergeant Boyle each spotlighted in portrait medallions along the left. It's a genuine team-up showcase, with writer Charles Biro and artist Irv Novick among the talents bringing these MLJ heroes to life inside, including the intriguingly titled "The Green Eggs of Doom.