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Results for: isolateid/2232 -edit search-

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Showcase #23
	DC Comics, 11-12/59

John Broome story		2nd appearance of the
Gil Kane and Joe Giella cover and art		Silver Age Green Lantern.
		Nuclear explosion cover and splash page.

Books	CGC Label	CGC Total	Avg. Grade	9.4	9.2	9.0	8.5	8.0	7.5	7.0	6.5	6.0	5.5	5.0	4.5	4.0	3.5	3.0	2.5	2.0	1.8	1.5	1.0	0.5
1 BOOK	Universal	469	4.51	2 0.4%	1 0.6%	2 1.1%	3 1.7%	12 4.3%	13 7.0%	17 10.7%	28 16.6%	35 24.1%	34 31.3%	46 41.2%	58 54%	53 65%	47 75%	46 85%	33 92%	18 96%	6 97%	8 99%	3 99%	4 100%
1 BOOK	Restored	36	4.35	0 0.0%	1 2.8%	0 2.8%	0 2.8%	0 2.8%	0 2.8%	3 11.1%	2 16.7%	1 19.4%	1 22.2%	2 27.8%	3 36.1%	8 58%	8 81%	5 94%	0 94%	1 97%	0 97%	1 100%	0 100%	0 100%
1 BOOK	Signature	9	4.28	0 0.0%	0 0.0%	0 0.0%	0 0.0%	0 0.0%	0 0.0%	0 0.0%	0 0.0%	2 22.2%	0 22.2%	0 22.2%	3 56%	1 67%	0 67%	3 100%	0 100%	0 100%	0 100%	0 100%	0 100%	0 100%
1 BOOK	Qualified	5	4.40	0 0.0%	0 0.0%	0 0.0%	0 0.0%	0 0.0%	0 0.0%	0 0.0%	0 0.0%	1 20.0%	0 20.0%	0 20.0%	2 60%	0 60%	2 100%	0 100%	0 100%	0 100%	0 100%	0 100%	0 100%	0 100%

TOTAL SUBMISSIONS (all types): 519

Showcase #23 (1959, DC Comics)
CGC Universal Grade Distribution

0
10

0
9.9

0
9.8

0
9.6

2
9.4

1
9.2

2
9.0

3
8.5

12
8.0

13
7.5

17
7.0

28
6.5

35
6.0

34
5.5

10%

46
5.0

12%

58
4.5

11%

53
4.0

10%

47
3.5

10%

46
3.0

33
2.5

18
2.0

6
1.8

8
1.5

3
1.0

4
0.5

cgcdata.com, last updated February 24, 2026

Show the current results for all issues of Showcase

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