Welcome to another installment of Easter Eggs in Comics! Click here for the archive!
This one's from Superman's Girlfriend, Lois Lane #42, with Lois having a fantasy sequence in a story called "The Monkey's Paw," drawn by Kurt Schaffenberger.
The lightning bolt is hidden, but that's Captain Marvel behind her!
This comic came out in 1963, well before DC had the license to use Captain Marvel, hence the lack of the emblem. Schaffenberger was a prominent Captain Marvel artist in the Golden Age and would go on to draw him a lot in the 1970s Shazam series!