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Adventure Comics #497 Newsstand $1.50 Canadian Price Variant
Challengers of the Unknown story.
Collector Signals & Marketplace Snapshot
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Guide Values
V9: 2026-2027| Grade | Condition | CPV Value |
|---|---|---|
| 9.2 | Near Mint- | $37 |
| 9.0 | Very Fine / Near Mint | $33 |
| 8.0 | Very Fine | $26 |
| 6.0 | Fine | $18 |
| 4.0 | Very Good | $12 |
| 2.0 | Good | $6 |
Values are guide estimates and should be used alongside recent sales, condition, completeness, and market context.
Issue Notes
Key factsKey note: Challengers of the Unknown story.
Creator note: Bob Rozakis story; Alex Toth & Frank Giacoia art; Gil Kane cover
Characters: Challengers of the Unknown
Value History
9.2 guide valuesCGC Census History
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