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Results for: isolateid/4378 -edit search-

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Showcase #17
	DC Comics, 11-12/58

Gardner Fox story		Adventures on Other Worlds.
Mike Sekowsky & Bernard Sachs art		Origin & 1st appearance of Adam Strange.
Gil Kane cover		1st appearance of Alanna.

Books	CGC Label	CGC Total	Avg. Grade	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	390	3.86	1 0.3%	1 0.5%	3 1.3%	4 2.3%	6 3.8%	6 5.4%	17 9.7%	23 15.6%	17 20.0%	34 28.7%	38 38.5%	52 52%	36 61%	45 73%	29 80%	25 86%	15 90%	17 95%	10 97%	11 100%
1 BOOK	Restored	49	4.10	0 0.0%	1 2.0%	2 6.1%	0 6.1%	0 6.1%	2 10.2%	0 10.2%	1 12.2%	1 14.3%	5 24.5%	9 42.9%	10 63%	3 69%	5 80%	3 86%	2 90%	2 94%	2 98%	0 98%	1 100%
1 BOOK	Qualified	4	4.50	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 25.0%	1 50%	0 50%	1 75%	1 100%	0 100%	0 100%	0 100%	0 100%	0 100%	0 100%	0 100%
1 BOOK	Signature	2	2.75	0 0.0%	0 0.0%	0 0.0%	0 0.0%	0 0.0%	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 50%	1 100%	0 100%	0 100%	0 100%	0 100%	0 100%

TOTAL SUBMISSIONS (all types): 445

Showcase #17 (1958, DC Comics)
CGC Universal Grade Distribution

0
10

0
9.9

0
9.8

0
9.6

0
9.4

1
9.2

1
9.0

3
8.5

4
8.0

6
7.5

6
7.0

17
6.5

23
6.0

17
5.5

34
5.0

10%

38
4.5

13%

52
4.0

36
3.5

12%

45
3.0

29
2.5

25
2.0

15
1.8

17
1.5

10
1.0

11
0.5

cgcdata.com, last updated February 24, 2026

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