Adventure Comics #399 (1970) — Comic Book Value
Adventure ComicsWhat Adventure Comics #399 (1970) is worth — ungraded and CGC graded (6.0, 8.0).
Adventure Comics #399 (1970) value — Ungraded $12 · Grade 6.0 $37 · Grade 8.0 $70. Prices updated August 2026.
Series · Adventure Comics
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Value by grade
$12
Ungraded
3.1×
$37
Grade 6.0
5.8×
$70
Grade 8.0
Real sold prices per grade — the Grade 8.0 premium on this card is 5.8× raw.
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Item details
- Series
- Adventure Comics
Adventure Comics #399 (1970) comic value
An ungraded copy of Adventure Comics #399 (1970) averages around $12. A CGC 6.0 runs about $37, and a CGC 8.0 commands $70.
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 | $12 | eBay sold comps |
| Grade 6.0 | $37 | eBay sold comps |
| Grade 8.0 | $70 | eBay sold comps |
Frequently asked questions
- What is the starting price for an ungraded copy of Adventure Comics #399?
- An ungraded copy of Adventure Comics #399 starts at $11.
- How much more is a Grade 8.0 compared to an ungraded copy?
- A Grade 8.0 copy sells for $53, which is substantially higher than the $11 starting price for ungraded.
- Are there different price points available for this issue?
- Yes, prices vary by condition, with Grade 6.0 listed at $28 and Grade 8.0 at $53.