Cover: John Sikela
Superboy #21
📊 ~20,952 copies sold its debut month
☆ Be the first to review + Add to your collection — Join free Contains 7 stories
The Giant That Stalked Smallville
Lana Lang, Magician!
Untitled Humor story
Untitled Humor story
One Dozen Superboys!
Untitled Humor story
Untitled Humor story
ComicBooks.com Value
Our Model is In Beta
Raw (Good) $106
CGC 8.5 · 1 in census $1,706*
CGC 8.0 · 1 in census $1,338*
CGC 7.5 none in existence
CGC 7.0 none in existence
CGC 6.5 · 1 in census $749
CGC 6.0 · 1 in census $648*
Show all 14 grades ▾
CGC 5.5 · 3 in census $507
CGC 5.0 · 2 in census $507*
CGC 4.5 · 2 in census $442*
CGC 4.0 · 1 in census $384*
CGC 3.5 · 2 in census $296
CGC 3.0 none in existence
CGC 2.5 none in existence
CGC 2.0 · 2 in census $209*
* estimate — limited direct-sales data at this grade
Our model’s value — refined as new sales data arrives · CGC census counts shown where available
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Cast · 2 characters
Full credits
Reprints
Reprinted in Superboy #44 (1952), Stålmannen #6/1954 (1954), Superman y sus amigos #1 (1956), Our Army at War #55 (1957), Blackhawk #113 (1957), Buzzy #76 (1957), Adventure Comics #246 (1958), Wonder Woman #123 (1961), Adventure Comics #291 (1961), Adventure Comics #354 (1967), Superman Presents Wonder Comic Monthly #28 (1967), Lynet #4/1968 (1968), Superboy #46
Key issues in Superboy
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