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Saga of the Swamp Thing #21
DC Comics, 2/84
Alan Moore storyNew origin of Swamp Thing.
Stephen Bissette & John Totleben artFloronic Man appearance.
Tom Yeates 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 BOOKUniversal5049.210
0.00%		0
0.00%		84
16.7%		126
41.7%		104
62%		72
77%		34
83%		41
91%		17
95%		10
97%		5
98%		6
99%		2
99%		2
100%		1
100%		0
100%		0
100%		0
100%		0
100%		0
100%		0
100%		0
100%		0
100%		0
100%		0
100%
1 BOOKSignature329.350
0.00%		0
0.00%		8
25.0%		7
46.9%		7
69%		4
81%		2
88%		2
94%		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%
1 BOOKQualified28.900
0.00%		0
0.00%		1
50%		0
50%		0
50%		0
50%		0
50%		0
50%		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 BOOKRestored17.500
0.00%		0
0.00%		0
0.0%		0
0.0%		0
0.0%		0
0.0%		0
0.0%		0
0.0%		0
0.0%		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%

TOTAL SUBMISSIONS (all types): 539
Saga of the Swamp Thing #21 (1984, DC Comics)
CGC Universal Grade Distribution
0%

0
10		0%

0
9.9		17%

84
9.8		25%

126
9.6		21%

104
9.4		14%

72
9.2		7%

34
9.0		8%

41
8.5		3%

17
8.0		2%

10
7.5		1%

5
7.0		1%

6
6.5		0%

2
6.0		0%

2
5.5		0%

1
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 (©2003-2025).
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.
A visual of CGC label changes through the years is available here.
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