Page seven of X-MEN #1 by Jack Kirby and Paul Reinman.
Stan’s border notations have been erased, but a few are still at least partially legible:
YOUR SAKE ALONE,
(word obscured)/JEEZ
YOU’VE DONE WELL. NOT READY TO GRADUATE YET—BUT PROGRESSING
I HATE TO STOP YOUR LESSONS BUT I SENSE BELOW IN DRIVEWAY IS A TAXI—YOUNG LADY GETTING OUT