Thor #400 (1989) — Comic Book Value

Thor

What Thor #400 (1989) is worth — ungraded and CGC graded (6.0, 8.0).

Thor #400 (1989) value — Ungraded $6 · Grade 6.0 $16 · Grade 8.0 $24. Prices updated July 2026.

Series · Thor
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Value by grade
$6
Ungraded
2.7×
$16
Grade 6.0
4.0×
$24
Grade 8.0

Real sold prices per grade — the Grade 8.0 premium on this card is 4.0× raw.

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Item details

Series
Thor

Thor #400 (1989) comic value

An ungraded copy of Thor #400 (1989) averages around $6. A CGC 6.0 runs about $16, and a CGC 8.0 commands $24.

What drives the price

Grade is everything in comics — spine ticks, page color, and restoration decide the number, and the jump from raw to high grade can be 10×+. Key issues (first appearances, origins, deaths) carry the biggest premiums, and early printings beat reprints.

Price guide

Sold values by grade vs. what sellers ask today

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ConditionValueBased on
Ungraded$6eBay sold comps
Grade 6.0$16eBay sold comps
Grade 8.0$24eBay sold comps

Frequently asked questions

What is the starting price for an ungraded copy of Thor #400?
An ungraded copy of Thor #400 (1989) can be found starting at $4.
How much is a Grade 8.0 copy of this Thor issue worth?
A Grade 8.0 copy of Thor #400 is currently valued at $19.
Is there a price difference between the ungraded and graded versions?
Yes, the graded versions, such as Grade 8.0 at $19, command a higher resale value than the ungraded copies starting at $4.

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