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| Green Lantern #30 | ||
| DC Comics, 7/64 | ||
| John Broome story | 1st appearance of Katma Tui. | |
| Gil Kane and Sid Greene art | ||
| Gil Kane and Murphy Anderson 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 | 175 | 7.20 | 0 0.00% | 0 0.00% | 1 0.6% | 6 4.0% | 10 9.7% | 15 18.3% | 14 26.3% | 22 38.9% | 19 49.7% | 11 56% | 13 63% | 13 71% | 12 78% | 7 82% | 5 85% | 8 89% | 8 94% | 7 98% | 1 98% | 2 99% | 1 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| 1 BOOK | Restored | 1 | 8.00 | 0 0.00% | 0 0.00% | 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% | 0 100% |
| Green Lantern #30 (1964, DC Comics) CGC Universal Grade Distribution | ||||||||||||||||||||||||
| 0% 0 10 | 0% 0 9.9 | 1% 1 9.8 | 3% 6 9.6 | 6% 10 9.4 | 9% 15 9.2 | 8% 14 9.0 | 13% 22 8.5 | 11% 19 8.0 | 6% 11 7.5 | 7% 13 7.0 | 7% 13 6.5 | 7% 12 6.0 | 4% 7 5.5 | 3% 5 5.0 | 5% 8 4.5 | 5% 8 4.0 | 4% 7 3.5 | 1% 1 3.0 | 1% 2 2.5 | 1% 1 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 | ||||||||||||||||||||||||