Adventure Comics #400 (1970) — Comic Book Value
Adventure ComicsWhat Adventure Comics #400 (1970) is worth — ungraded and CGC graded (6.0, 8.0).
Adventure Comics #400 (1970) value — Ungraded $8 · Grade 6.0 $94 · Grade 8.0 $113. Prices updated July 2026.
Series · Adventure Comics
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Value by grade
$8
Ungraded
11.8×
$94
Grade 6.0
14.1×
$113
Grade 8.0
Real sold prices per grade — the Grade 8.0 premium on this card is 14.1× raw.
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Item details
- Series
- Adventure Comics
Adventure Comics #400 (1970) comic value
An ungraded copy of Adventure Comics #400 (1970) averages around $8. A CGC 6.0 runs about $94, and a CGC 8.0 commands $113.
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
| Condition | Value | Based on |
|---|---|---|
| Ungraded | $8 | eBay sold comps |
| Grade 6.0 | $94 | eBay sold comps |
| Grade 8.0 | $113 | eBay sold comps |
Frequently asked questions
- What is the approximate value of an ungraded copy of Adventure Comics #400?
- An ungraded copy of Adventure Comics #400 is currently valued at $5.
- How much more is a Grade 8.0 copy worth compared to an ungraded one?
- A Grade 8.0 copy sells for $113, which is significantly more than the $5 price for an ungraded copy.
- What is the price point for a Grade 6.0 copy?
- A Grade 6.0 copy of Adventure Comics #400 is listed with a resale value of $94.