It's normal and has not been trimmed. I've seen plenty of comics with offset printing like this show up well into the early 90s (1991-92). I'd tell the buyer who contacted you to please not bid. Sounds like he could be some picky pansy who may cause you more headache and trouble down the road.
ComicBookRealm.com: 72 years, 252 days, 5 hours of Run Time
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