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| 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. Underdog Coloring Book nn (1965, Whitman) | Universal | 1 | 9.20 | 1 | ||||||||||||||||||||||||
| 2. Underdog 1 (7/70, Charlton Comics) 1st appearance of Underdog in comics. Underdog pin-ups. Based on the animated television series. | Universal | 71 | 6.42 | 3 | 4 | 4 | 3 | 4 | 5 | 6 | 4 | 8 | 6 | 2 | 2 | 7 | 6 | 2 | 1 | 1 | 3 | |||||||
| 3. Underdog 1 (7/70, Charlton Comics) | Qualified | 3 | 4.17 | 1 | 2 | |||||||||||||||||||||||
| 4. Underdog 2 (9/70, Charlton Comics) Frank Johnson cover | Universal | 5 | 7.16 | 1 | 1 | 2 | 1 | |||||||||||||||||||||
| 5. Underdog 3 (11/70, Charlton Comics) Frank Johnson cover | Universal | 7 | 7.83 | 2 | 2 | 1 | 1 | 1 | ||||||||||||||||||||
| 6. Underdog 4 (1/71, Charlton Comics) Frank Johnson cover | Universal | 4 | 8.05 | 2 | 1 | 1 | ||||||||||||||||||||||
| 7. Underdog 5 (3/71, Charlton Comics) Frank Johnson cover | Universal | 2 | 5.75 | 1 | 1 | |||||||||||||||||||||||
| 8. Underdog 6 (5/71, Charlton Comics) Frank Johnson cover | Universal | 1 | 8.50 | 1 | ||||||||||||||||||||||||
| 9. Underdog 7 (7/71, Charlton Comics) Frank Johnson cover | Universal | 2 | 6.90 | 1 | 1 | |||||||||||||||||||||||
| 10. Underdog 8 (9/71, Charlton Comics) Buck Biggers and Chet Stover story Frank Johnson cover and art | Universal | 1 | 9.40 | 1 | ||||||||||||||||||||||||
| 11. Underdog 10 (1/72, Charlton Comics) Last issue. Frank Johnson cover and art | Universal | 2 | 7.75 | 1 | 1 | |||||||||||||||||||||||
| 12. Underdog 1 (3/75, Gold Key) 1st Gold Key appearance of Underdog. | Universal | 46 | 8.33 | 2 | 8 | 8 | 4 | 4 | 2 | 7 | 4 | 1 | 1 | 1 | 2 | 1 | 1 | |||||||||||
| 13. Underdog 2 (6/75, Gold Key) | Universal | 12 | 9.13 | 5 | 5 | 1 | 1 | |||||||||||||||||||||
| 14. Underdog 3 (9/75, Gold Key) Based on the television cartoon series. | Universal | 16 | 9.28 | 4 | 7 | 4 | 1 | |||||||||||||||||||||
| 15. Underdog 4 (12/75, Gold Key) | Universal | 5 | 9.32 | 3 | 2 | |||||||||||||||||||||||
| 16. Underdog 5 (3/76, Gold Key) | Universal | 8 | 9.03 | 5 | 1 | 1 | 1 | |||||||||||||||||||||
| 17. Underdog 6 (4/76, Gold Key) Robot cover. | Universal | 5 | 8.64 | 1 | 3 | 1 | ||||||||||||||||||||||
| 18. Underdog 7 (6/76, Gold Key) | Universal | 6 | 9.47 | 2 | 4 | |||||||||||||||||||||||
| 19. Underdog 7 (6/76, Whitman) | Universal | 2 | 9.50 | 1 | 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 |
| 20. Underdog 8 (8/76, Gold Key) Based on the television cartoon series. | Universal | 5 | 9.44 | 2 | 2 | 1 | ||||||||||||||||||||||
| 21. Underdog 9 (10/76, Gold Key) | Universal | 9 | 9.64 | 2 | 7 | |||||||||||||||||||||||
| 22. Underdog 10 (12/76, Gold Key) King Kong cover and story parody. | Universal | 9 | 9.50 | 1 | 7 | 1 | ||||||||||||||||||||||
| 23. Underdog 11 (2/77, Gold Key) Based on the television cartoon series. | Universal | 4 | 9.25 | 1 | 3 | |||||||||||||||||||||||
| 24. Underdog 12 (4/77, Gold Key) Based on the television cartoon series. | Universal | 15 | 9.53 | 2 | 10 | 2 | 1 | |||||||||||||||||||||
| 25. Underdog 13 (6/77, Gold Key) 1st appearance of the Shack of Solitude. Based on the television cartoon series. | Universal | 11 | 9.55 | 3 | 4 | 2 | 2 | |||||||||||||||||||||
| 26. Underdog 14 (8/77, Gold Key) | Universal | 5 | 9.36 | 2 | 2 | 1 | ||||||||||||||||||||||
| 27. Underdog 14 (8/77, Whitman) | Universal | 1 | 9.40 | 1 | ||||||||||||||||||||||||
| 28. Underdog 15 (10/77, Gold Key) Based on the television cartoon series. | Universal | 13 | 9.45 | 2 | 7 | 1 | 1 | 1 | 1 | |||||||||||||||||||
| 29. Underdog 16 (12/77, Gold Key) Based on the television cartoon series. | Universal | 2 | 9.40 | 2 | ||||||||||||||||||||||||
| 30. Underdog 17 (2/78, Gold Key) Based on the television cartoon series. | Universal | 9 | 9.40 | 4 | 2 | 2 | 1 | |||||||||||||||||||||
| 31. Underdog 18 (4/78, Gold Key) Based on the television cartoon series. | Universal | 6 | 8.73 | 1 | 1 | 2 | 1 | 1 | ||||||||||||||||||||
| 32. Underdog 19 (6/78, Gold Key) | Universal | 6 | 9.33 | 4 | 2 | |||||||||||||||||||||||
| 33. Underdog 19 (6/78, Whitman) | Universal | 1 | 7.00 | 1 | ||||||||||||||||||||||||
| 34. Underdog 20 (8/78, Gold Key) Based on the television cartoon series. | Universal | 20 | 9.47 | 1 | 8 | 8 | 3 | |||||||||||||||||||||
| 35. Underdog 20 (8/78, Whitman) Based on the television cartoon series. | Universal | 2 | 5.25 | 1 | 1 | |||||||||||||||||||||||
| 36. Underdog 21 (10/78, Gold Key) | Universal | 4 | 8.35 | 1 | 1 | 1 | 1 | |||||||||||||||||||||
| 37. Underdog 21 (10/78, Whitman) | Universal | 1 | 9.40 | 1 | ||||||||||||||||||||||||
| 38. Underdog 22 (12/78, Gold Key) Based on the television cartoon series. | Universal | 21 | 9.55 | 3 | 10 | 8 | ||||||||||||||||||||||
| 39. Underdog 22 (12/78, Whitman) | Universal | 2 | 6.00 | 1 | 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 |
| 40. Underdog 23 (2/79, Gold Key) Last issue. Based on the television cartoon series. | Universal | 11 | 9.16 | 2 | 2 | 4 | 2 | 1 | ||||||||||||||||||||
| 41. Underdog 23 (2/79, Whitman) | Universal | 1 | 9.40 | 1 | ||||||||||||||||||||||||
| 42. Thunderdogs nn (1981, Rip Off Press) Wraparound cover. Hunt Emerson story, cover & art | Universal | 1 | 9.20 | 1 | ||||||||||||||||||||||||
| 43. Underdog 1 (1987, Spotlight Comics) Mark Marcus & John A. Wilcox story Peter Fitzgerald & Gary Fields art Jim Engel cover | Universal | 21 | 9.32 | 9 | 4 | 3 | 2 | 1 | 1 | 1 | ||||||||||||||||||
| 44. Underdog 2 (1987, Spotlight Comics) Mark Marcus & John A. Wilcox story Peter Fitzgerald cover & art | Universal | 1 | 9.60 | 1 | ||||||||||||||||||||||||
| 45. Underdog Summer Special v2 #1 (10/93, Harvey Publications) | Universal | 1 | 8.50 | 1 | ||||||||||||||||||||||||
| 46. Underdog v2 #1 (11/93, Harvey Publications) Jorge Pacheco art | Universal | 4 | 9.65 | 1 | 3 | |||||||||||||||||||||||
| 47. Vampirella v2 #1 Underdog Comics Edition (2014, Dynamite Entertainment) Archie Comics #50 (5-6/51) cover homage. Nancy A. Collins story Patrick Berkenkotter art Nuno | Universal | 8 | 9.80 | 8 | ||||||||||||||||||||||||
| 48. Underdog 1975 1 (2017, American Mythology) Steve Skeates story George Wildman art Adrian Ropp cover | Universal | 1 | 9.80 | 1 | ||||||||||||||||||||||||
| 49. Underdog: Free Comic Book Day 1 (2017, American Mythology) Free Comic Book Day 2017 exclusive. James Kuhoric stories Adrian Ropp & Dan Conner art Bill Ga | Universal | 1 | 9.80 | 1 | ||||||||||||||||||||||||
| 50. Underdog 1 (2017, American Mythology) Action Comics #1 cover homage. James Kuhoric & Batton Lash stories Adrian Ropp & Bob Smith art | Universal | 11 | 9.69 | 7 | 2 | 2 | ||||||||||||||||||||||
| 51. Underdog 1 (2017, American Mythology) | Signature | 1 | 9.40 | 1 | ||||||||||||||||||||||||
| 52. Underdog: Free Comic Book Day 1 (2017, American Mythology) | Signature | 1 | 9.80 | 1 | ||||||||||||||||||||||||
| 53. Underdog 1 CBCS Edition (2017, American Mythology) James Kuhoric & Batton Lash stories Adrian Ropp & Bob Smith art Bill Galvan cover & art | Universal | 1 | 9.60 | 1 | ||||||||||||||||||||||||
| 54. Underdog 1 Owsley Variant Cover (2017, American Mythology) James Kuhoric & Batton Lash stories Adrian Ropp, Bill Galvan & Bob Smith art Patrick Owsley cove | Universal | 1 | 9.60 | 1 | ||||||||||||||||||||||||
| 55. Underdog 1975 1 Owsley Variant Cover (2017, American Mythology) Steve Skeates story George Wildman art Patrick Owsley cover | Universal | 3 | 9.80 | 3 | ||||||||||||||||||||||||
| 56. Underdog 1 Ropp Variant Cover (2017, American Mythology) | Signature | 1 | 9.40 | 1 | ||||||||||||||||||||||||
| 57. Underdog 1 Sketch Edition (2017, American Mythology) Partial blank cover. James Kuhoric & Batton Lash stories Adrian Ropp & Bob Smith art | Universal | 1 | 9.60 | 1 | ||||||||||||||||||||||||
| 58. Underdog 1 Sketch Edition (2017, American Mythology) | Signature | 6 | 9.70 | 3 | 3 | |||||||||||||||||||||||
| 59. Underdog 1 Sketch Edition (2017, American Mythology) | Qualified | 1 | 9.80 | 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 |
| 60. Vampirella v7 #1 Underdog Comics Edition (2025, Dynamite Entertainment) Vampirella #676 Archie Comics #50 cover homage. "Vintage" cover. Christopher Priest story Erg?n | Universal | 7 | 9.80 | 7 | ||||||||||||||||||||||||
| 61. Vampirella v7 #1 Underdog Comics Edition (2025, Dynamite Entertainment) | Signature | 1 | 9.80 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 54 BOOKS | Universal | 416 | 8.62 | 0 0.00% | 0 0.00% | 58 13.9% | 98 37.5% | 82 57% | 48 69% | 21 74% | 11 76% | 16 80% | 12 83% | 9 85% | 13 88% | 12 91% | 4 92% | 7 94% | 7 96% | 9 98% | 3 99% | 2 99% | 1 99% | 0 99% | 0 99% | 0 99% | 0 99% | 3 100% |
| 5 BOOKS | Signature | 10 | 9.66 | 0 0.00% | 0 0.00% | 5 50% | 3 80% | 2 100% | 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% | 0 100% | 0 100% | 0 100% | 0 100% |
| 2 BOOKS | Qualified | 4 | 5.58 | 0 0.00% | 0 0.00% | 1 25.0% | 0 25.0% | 0 25.0% | 0 25.0% | 0 25.0% | 0 25.0% | 0 25.0% | 0 25.0% | 0 25.0% | 0 25.0% | 0 25.0% | 0 25.0% | 0 25.0% | 1 50% | 2 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% |