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| Back to the Future #1 | ||
| Zbox Edition | IDW Publishing, 10/15 | |
| Bob Gale, John Barber & Erik Burnham | ||
| stories, Brent Schoonover & Dan | ||
| Schoening art, Doug Chiang cover | ||
| 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 | 148 | 9.59 | 0 0.00% | 0 0.00% | 98 66% | 18 78% | 16 89% | 6 93% | 3 95% | 2 97% | 0 97% | 4 99% | 0 99% | 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% |
| 1 BOOK | Signature | 75 | 9.36 | 0 0.00% | 0 0.00% | 43 57% | 8 68% | 6 76% | 3 80% | 4 85% | 3 89% | 3 93% | 2 96% | 1 97% | 1 99% | 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% |
| Back to the Future #1 Zbox Edition (2015, IDW Publishing) CGC Universal Grade Distribution | ||||||||||||||||||||||||
| 0% 0 10 | 0% 0 9.9 | 66% 98 9.8 | 12% 18 9.6 | 11% 16 9.4 | 4% 6 9.2 | 2% 3 9.0 | 1% 2 8.5 | 0% 0 8.0 | 3% 4 7.5 | 0% 0 7.0 | 1% 1 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 | ||||||||||||||||||||||||