In that full figure shot of Jean, the emblem on her belt is nothing more than a circle with an X in it. Not even a well rendered or balanced X. The inker (Paul Reinman) just drew an X, like a Hillbilly making his mark. And that was probably all Kirby had drawn in the first place. (Did he expect the inker to embellish it? Probably not. Given the speed with which these things were cranked out, and the shorthand conventions of the time, we're lucky Jean and the rest of the team didn't end up with black circles for belt buckles.*)

In the fourth image, third panel, Wolverine has a white band down the right side (our left) of his face. Whether it was the colorist or the separator who did this, it is a classic case of Stop At A Line coloring, which can be SO frustrating when the one doing it misinterprets the shot. There is no contextual reason for Wolverine's cheek to be white. The shading on Jean's dress clearly shows the light is coming from the other direction, and even were it not, there would be no white on Logan's costume just there. The flesh color of his face should have been continued into the strip. (Not that the separator also missed the blue on his epaulet, to the left of his hand.)

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* For the benefit of those who do not know, it was common for pencilers to indicate black areas with an X or two in the space. Famously, the wife of a BEETLE BAILEY inker, helping her husband spot black, gave all the soldiers black collars, interpreting the crossed rifles of the Infantry as Xs. )Some modern pencilers fill the black spaces with so many Xs I wonder why they don't just turn the pencil on its side and black the area fully!)

This was why Superman's costume would occasionally turn green, when the Y lady laid down color where it was not supposed to be. And in one infamous case it led to Spider-Man losing his pants, when the C that was added to the Y2R2 to create the distinctive color was left out, and only the skin tones remained!!

Once upon a time, being told again that the coloring mistakes in a book he edited were due to this, Roger Stern stormed down to where reference materials were kept and clear out all the inaccurate stuff he could find.