House ad for Lois Lane #80 (January 1968); printed in Teen Titans (1966 series) #13 (January-February 1968)
Ad designed and lettered by Gaspar Saladino
And Lois never saw Superman, ever again.
Here's the color version of that cover:
Cover of Lois Lane #80 (January 1968), pencils by Curt Swan, inks by Neal Adams, letters by Ira Schnapp
Sadly, that is not the actual first page of LL #80 peeking at us from where Lois has torn down the "Superman's Girlfriend" part of her logo.