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| Nintendo Power #20 | ||
| Subscription Edition | Nintendo of America Inc., 1/91 | |
| Mega Man III cover & article | Bart Simpson vs. the Space Mutants poster | |
| Player's Poll & Subscription inserts | ||
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 BOOK | Universal | 27 | 7.08 | 0 0.00% | 0 0.00% | 0 0.0% | 0 0.0% | 0 0.0% | 4 14.8% | 0 14.8% | 1 18.5% | 4 33.3% | 5 52% | 2 59% | 5 78% | 2 85% | 2 93% | 1 96% | 0 96% | 0 96% | 0 96% | 0 96% | 0 96% | 0 96% | 1 100% | 0 100% | 0 100% | 0 100% |
| 1 BOOK | Qualified | 3 | 5.83 | 0 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% | 0 0.0% | 1 33.3% | 0 33.3% | 0 33.3% | 1 67% | 1 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| Nintendo Power #20 Subscription Edition (1991, Nintendo of America Inc.) CGC Universal Grade Distribution | ||||||||||||||||||||||||
| 0% 0 10 | 0% 0 9.9 | 0% 0 9.8 | 0% 0 9.6 | 0% 0 9.4 | 15% 4 9.2 | 0% 0 9.0 | 4% 1 8.5 | 15% 4 8.0 | 19% 5 7.5 | 7% 2 7.0 | 19% 5 6.5 | 7% 2 6.0 | 7% 2 5.5 | 4% 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 | 4% 1 1.8 | 0% 0 1.5 | 0% 0 1.0 | 0% 0 0.5 |
| cgcdata.com, last updated September 16, 2025 | ||||||||||||||||||||||||