Master Comics #41 (1943)

"Master Comics #41, published in 1943, features the character of Captain Marvel Jr. in a thrilling adventure. In this issue, Captain Marvel Jr. must stop an evil plot by the Black Adam Gang, who are targeting wealthy individuals for extortion. With the help of his mentor, Captain Marvel, and the beautiful radio reporter Mary Bromfield, Captain Marvel Jr. goes undercover to infiltrate the gang and put an end to their nefarious plans. Along the way, readers are treated to classic Golden Age comic book storytelling, complete with action, suspense, and plenty of heroics. A must-have for any serious collector of vintage comics, Master Comics #41 is a prime example of what made this era of comics so special."