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G.I. Joe: A Real American Hero#21
Cover: Ed Hannigan & Klaus Janson
G.I. Joe: A Real American Hero #21
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ComicBooks.com Value
Our Model is In Beta
Raw (NM) $5
CGC 9.8 · 3 in census $62*
CGC 9.6 · 1 in census $30*
CGC 9.4 · 3 in census $30*
CGC 9.2 · 1 in census $30*
CGC 9.0 · 5 in census $30*
CGC 8.5 · 1 in census $30*
Show all 12 grades ▾
CGC 8.0 · 1 in census $30*
CGC 7.5 · 1 in census $30*
CGC 7.0 · 1 in census $30*
CGC 6.5 none in existence
CGC 6.0 none in existence
CGC 5.5 · 1 in census $30*
* 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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