Adventures into the Unknown #17 (1951) — Comic Book Value
Adventures Into The UnknownWhat Adventures into the Unknown #17 (1951) is worth — ungraded and CGC graded (6.0, 8.0).
Adventures into the Unknown #17 (1951) value — Ungraded $79 · Grade 6.0 $145 · Grade 8.0 $418. Prices updated August 2026.
Series · Adventures Into The Unknown
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Value by grade
$79
Ungraded
+84%
$145
Grade 6.0
5.3×
$418
Grade 8.0
Real sold prices per grade — the Grade 8.0 premium on this card is 5.3× raw.
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Item details
- Series
- Adventures Into The Unknown
Adventures into the Unknown #17 (1951) comic value
An ungraded copy of Adventures into the Unknown #17 (1951) averages around $79. A CGC 6.0 runs about $145, and a CGC 8.0 commands $418.
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 | $79 | eBay sold comps |
| Grade 6.0 | $145 | eBay sold comps |
| Grade 8.0 | $418 | eBay sold comps |
Frequently asked questions
- What is the starting resale value for this comic?
- The ungraded copy of Adventures into the Unknown #17 is currently valued at $79.
- How much more is a high-grade copy worth?
- A Grade 8.0 copy is valued significantly higher at $418 compared to the ungraded version.
- Is there a price difference between the 6.0 and 8.0 grades?
- Yes, the Grade 6.0 is listed at $145, while the higher Grade 8.0 sells for $418.