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Cover: Bob Brown
Challengers of the Unknown #54
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In "War of the Sub-Humans!", the Challengers of the Unknown face a renewed threat as Villo, their long-time adversary, reassembles the Sub-Humans—only to be challenged by the ambitious Bubble-Master, who seeks to prove himself as a worthy ally. Written by F. E. Herron and illustrated with sharp detail by Bob Brown (pencils and inks), this 1967 issue delivers a tense clash of schemes and shifting loyalties, with the cover by Bob Brown capturing the moment of high-stakes confrontation.
ComicBooks.com Value
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Raw (VG) $10
CGC 9.8 · 2 in census $1,067
CGC 9.6 · 1 in census $351*
CGC 9.4 · 7 in census $180
CGC 9.2 · 1 in census $104*
CGC 9.0 · 2 in census $71*
CGC 8.5 · 1 in census $48*
Show all 18 grades ▾
CGC 8.0 · 3 in census $37*
CGC 7.5 · 2 in census $32
CGC 7.0 none in existence
CGC 6.5 · 1 in census $21*
CGC 6.0 · 1 in census $20*
CGC 5.5 · 2 in census $20*
CGC 5.0 none in existence
CGC 4.5 none in existence
CGC 4.0 none in existence
CGC 3.5 none in existence
CGC 3.0 none in existence
CGC 2.5 · 1 in census $20*
* estimate — limited direct-sales data at this grade
Our model’s value — refined as new sales data arrives · CGC census counts shown where available
This exact issue on ebay
CGC 9.6 $565 1 listing Raw — F/VF $26 1 listing Raw — FN+ $13 1 listing Raw — VG+ $16 1 listing Raw — POOR $5 1 listing
Raw — VF+ ▾ $29.99–$60 3 listings
Raw — FN/VF ▾ $24.99–$25.59 2 listings
Raw — FINE ▾ $12–$14.99 2 listings
Raw / ungraded ▾ $6.99–$39 15 listings
Raw / ungraded $6.99 Raw / ungraded $7.28 Raw / ungraded $8 Raw / ungraded $8 Raw / ungraded $9.99 Raw / ungraded $9.99 Raw / ungraded $10 Raw / ungraded $11.99 Raw / ungraded $14.99 Raw / ungraded $17.19 Raw / ungraded $24.29 Raw / ungraded $25.87 Raw / ungraded $29 Raw / ungraded $30 Raw / ungraded $39
Verified matches for Challengers of the Unknown #54 · eBay asking prices, seen 32 days ago
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Reprinted in Etranges Aventures #22 (1971)
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