CGCdata.com - Selected Census Data

Results for: title/:Scientific:Detective:Monthly:/pub/:Gernsback:Publications:/label/all/orderby/year -edit search-
(click on a book to isolate the current CGC Census information)

Books	CGC Label	CGC Total	Avg. Grade	8.5	8.0	7.5	7.0	6.5
1. Scientific Detective Monthly 1 (January 1930, Gernsback Publications) Cover by Jno Ruger Hugo Gernsback story	Universal	2	8.00		2
2. Scientific Detective Monthly 2 (February 1930, Gernsback Publications) Cover by Jno Ruger Hugo Gernsback story	Universal	2	7.00			1		1
3. Scientific Detective Monthly 3 (March 1930, Gernsback Publications) Cover by Jno Ruger Hugo Gernsback story	Universal	1	8.50	1
4. Scientific Detective Monthly 4 (April 1930, Gernsback Publications) Cover by Frank R. Paul Edmond Hamilton story	Universal	3	8.00	1	1	1
5. Scientific Detective Monthly 5 (May 1930, Gernsback Publications) Last issue. Numbering continued as Amazing Detective Tales. Cover by Jno Ruger Hugo Gernsback,	Universal	1	7.00				1

Books	CGC Label	CGC Total	Avg. Grade	10	9.9	9.8	9.6	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
5 BOOKS	Universal	9	7.72	0 0.00%	0 0.00%	0 0.0%	0 0.0%	0 0.0%	0 0.0%	0 0.0%	2 22.2%	3 56%	2 78%	1 89%	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%

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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 August 19, 2025.
A visual of CGC label changes through the years is available here.
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