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| Transformers #15 | ||
| Marvel Comics, 4/86 | ||
| Bob Budiansky story | 1st appearance of the Robot-Master | |
| Don Perlin & Keith Williams art | (Donny Finkelberg). | |
| Herb Trimpe 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 | 193 | 9.36 | 0 0.00% | 0 0.00% | 76 39.4% | 45 63% | 24 75% | 15 83% | 13 90% | 8 94% | 2 95% | 4 97% | 3 98% | 0 98% | 1 99% | 0 99% | 0 99% | 0 99% | 1 99% | 1 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| 1 BOOK | Signature | 10 | 9.37 | 0 0.00% | 0 0.00% | 2 20.0% | 6 80% | 0 80% | 0 80% | 1 90% | 0 90% | 0 90% | 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% |
| Transformers #15 (1986, Marvel Comics) CGC Universal Grade Distribution | ||||||||||||||||||||||||
| 0% 0 10 | 0% 0 9.9 | 39% 76 9.8 | 23% 45 9.6 | 12% 24 9.4 | 8% 15 9.2 | 7% 13 9.0 | 4% 8 8.5 | 1% 2 8.0 | 2% 4 7.5 | 2% 3 7.0 | 0% 0 6.5 | 1% 1 6.0 | 0% 0 5.5 | 0% 0 5.0 | 0% 0 4.5 | 1% 1 4.0 | 1% 1 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 | ||||||||||||||||||||||||