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Currently showing only the most recent CGC Census totals, last updated September 16, 2025.

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Saga of the Swamp Thing #30
DC Comics, 11/84
Alan Moore story
Stephen Bissette & Alfredo Alcala art
Stephen Bissette & John Totleben cover

 BooksCGC LabelCGC TotalAvg. Grade109.99.89.69.49.29.08.58.07.57.06.56.05.55.04.54.03.53.02.52.01.81.51.00.5
1 BOOKUniversal589.580
0.00%		2
3.45%		30
55%		11
74%		6
84%		4
91%		2
95%		2
98%		1
100%		0
100%		0
100%		0
100%		0
100%		0
100%		0
100%		0
100%		0
100%		0
100%		0
100%		0
100%		0
100%		0
100%		0
100%		0
100%		0
100%
1 BOOKSignature39.670
0.00%		0
0.00%		1
33.3%		2
100%		0
100%		0
100%		0
100%		0
100%		0
100%		0
100%		0
100%		0
100%		0
100%		0
100%		0
100%		0
100%		0
100%		0
100%		0
100%		0
100%		0
100%		0
100%		0
100%		0
100%		0
100%

TOTAL SUBMISSIONS (all types): 61
Saga of the Swamp Thing #30 (1984, DC Comics)
CGC Universal Grade Distribution
0%

0
10		3.4%

2
9.9		52%

30
9.8		19%

11
9.6		10%

6
9.4		7%

4
9.2		3%

2
9.0		3%

2
8.5		2%

1
8.0		0%

0
7.5		0%

0
7.0		0%

0
6.5		0%

0
6.0		0%

0
5.5		0%

0
5.0		0%

0
4.5		0%

0
4.0		0%

0
3.5		0%

0
3.0		0%

0
2.5		0%

0
2.0		0%

0
1.8		0%

0
1.5		0%

0
1.0		0%

0
0.5
cgcdata.com, last updated September 16, 2025

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"CGC Census Analysis" is provided by Greg Holland (©2003-2026).
Data is sourced from the public CGC census (© Certified Guaranty Company, LLC.)
Used with permission of CGC since 2003. Data is from July 01, 2001 to September 16, 2025.
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