Marvel· 1981★ Key Issue

The Uncanny X-Men #143

Final Claremont/Byrne issue; Kitty Pryde solo vs. N'Garai demon

Trap checkDon't buy these

11 listingson eBay right now look like this issue but aren't it — usually the cheapest ones on the page. Here's what's wrong with each, so you don't buy the wrong book.

Wrong volume$9.99
Uncanny X-Men #11 Vol. 3 2013 Marvel Comics 1st App High Grade G64-143
Same title and issue number, but a different relaunch. Daredevil #1 exists in six volumes — the 1964 key and the 2023 reboot are not the same book.
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Not the comic$15.25
The Uncanny X-Men 143 Comic Cover Cyclops Dark Phoenix Poster print 11"x17"
A poster, empty slab, or other merchandise — not the book itself.
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Lot / bundle$19.99
THE UNCANNY X-MEN Bronze Age Lot 4 #143 151 159 162 Mid Grade Kitty Pryde FN-/FN
Multiple books sold together. The price is for the whole lot, so it is not comparable to a single copy.
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Not the comic$23.35
The Uncanny X-Men 143 Comic Cover Cyclops Dark Phoenix POSTER PRINT 16"x24"
A poster, empty slab, or other merchandise — not the book itself.
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Lot / bundle$27.99
The Uncanny X-Men # 143 and 146 (Marvel Comics 1981) Lot of 2 Byrne Cockrum
Multiple books sold together. The price is for the whole lot, so it is not comparable to a single copy.
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Lot / bundle$28.00
The Uncanny X-Men #143 144 146 147 Lot/4 Storm Cyclops Kitty Pryde Marvel Comics
Multiple books sold together. The price is for the whole lot, so it is not comparable to a single copy.
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Lot / bundle$44.00
Midgrade Lot Of 3 Uncanny X-Men 138 FN 140 VG/FN 143 FN 1980 1981 John Byrne
Multiple books sold together. The price is for the whole lot, so it is not comparable to a single copy.
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Lot / bundle$60.00
Marvel Comics Uncanny X-Men Comic Book Lot 140 143-147 151-152 Wendigo Dr Doom
Multiple books sold together. The price is for the whole lot, so it is not comparable to a single copy.
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Guide value · CGC 9.8

$102

Estimated current value from PriceCharting

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An estimate of what this grade is worth today, not a record of any sale. Guide values are trailing aggregates, so they lag a fast-moving book — a copy that just sold at auction may have gone for well above or below this.

Where the copies sit

Only 1 copy on the market at this grade — nothing to compare it against.

Guide value

Updated	Grade	Estimate
Aug 29, 2026	CGC 9.8	$101.75

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Gradesearching: The Uncanny X-Men #143 1981 CGC 9.8