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Cover: Sheldon Moldoff
Detective Comics #234
☆ Be the first to review + Add to your collection — Join freeContains 4 stories
Batman and Robin's Greatest Mystery
Batman [Bruce Wayne]Robin [Dick Grayson]Commissioner GordonAlfred PennyworthMr. Melden (owner of Melden Machine Shop)Jay Caird (villain, introduction)
In "Batman and Robin's Greatest Mystery," the Dynamic Duo chase a criminal only to stumble into a mysterious force field that wipes their memories—leaving them unaware of their own identities. As they piece together clues from their surroundings, the duo must unravel the truth behind who they are, all while navigating a world that no longer recognizes them.
The Man Who Hid His Powers
Roy RaymondKaren (supporting)Mr. X (intro, villain)
Untitled Humor story
Casey the CopInspector Pip-Haven
The Martian Convict
Martian Manhunter [John JonesJ'onn J'onzz]Captain Harding (supporting)"Big Mike" Kent (intro, villain)Miller (intro, villain)Number 25432 (intro, villain)Joey (intro, villain)Paul DrakeWarden Powers
ComicBooks.com Value
Our Model is In Beta
Raw (VG) $115
CGC 9.0 · 1 in census $1,099
CGC 8.5 · 3 in census $762
CGC 8.0 · 3 in census $485*
CGC 7.5 · 2 in census $453
CGC 7.0 · 2 in census $323*
CGC 6.5 · 5 in census $271
Show all 15 grades ▾
CGC 6.0 · 4 in census $247
CGC 5.5 · 1 in census $189*
CGC 5.0 · 3 in census $173
CGC 4.5 · 5 in census $161*
CGC 4.0 · 4 in census $161*
CGC 3.5 · 5 in census $161
CGC 3.0 · 5 in census $91
CGC 2.5 · 3 in census $82
CGC 2.0 · 2 in census $68
* estimate — limited direct-sales data at this grade
Our model’s value — refined as new sales data arrives · CGC census counts shown where available
More listings for this title
FR $44 FAIR $49.99 GD $100 VG $145 FINE $250 CGC $295 CGC 5 $300 CGC 4.5 $315
Related listings we couldn't confirm as this exact issue · 10 total · seen 32 days ago
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Full credits
Reprints
Reprinted in Batman #218 (1970), Superman #17/1970 (1970), Showcase Presents: Martian Manhunter #1 (2007), Batman #46
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