2018 MARKET UPDATE:
So CGC 9.8 prices finally broke out of their holding patterns, up more than $1,500 in a year. In fact, high grade copies have done well recently.
It's an early Wolverine comic key that will never go out of fashion.
Here are the most recent sales. It's a hot book in most grades. Be careful of price compression... don't be the guy paying more for lower grades.
2017 MARKET UPDATE:
This is a common book but still enjoys a lot of demand. CGC 9.8s have softened in price. It's never broken out beyond that $6,000 tipping point, even while other keys from the period like Hulk 181 and ASM 129 have.
Do we still like this book? Absolutely. Be picky about the copy you invest in, and don't jump on what seems like a good deal until the future of this key issue becomes more clear.
The second major appearance of Wolverine, in an issue where he joins the X-Men? I'd say that is pretty significant in the Marvel Universe!
Just like his first appearance in Incredible Hulk #181, and 1st Wolverine cameo in Incredible Hulk #180, this is a red-hot comic book.
There is a similar supply of high-grade copies as Hulk #181, but the demand for this issue is somewhat less.
Still, we recommend you own a copy, as there is still plenty of upside left in GSX1.
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Value of Marvel Uncanny X-Men Comics