| Showcase Presents Challengers of the Unknown No. 11 | $199.00 |
| CHALLENGERS OF THE UNKNOWN..No.30..MULTI-MAN...MAR 1963 | $5.49 |
| CHALLENGERS OF THE UNKNOWN # 59 DC Comic 1967 FN- | $3.79 |
| CHALLENGERS OF THE UNKNOWN NO. 22 | $10.00 |
| CHALLENGERS OF THE UNKNOWN # 18 (GD-/1.5) SCI-FI/HORROR | $14.50 |
| Challengers of the Unknown #30 MAR 1963 Multi-man app | $29.90 |
| CHALLENGERS OF THE UNKNOWN #59 ACTION PACKED COVER | $55.00 |
| Challengers of the Unknown #10 FNVF Sup Brt Bob Brown | $66.00 |
| CHALLENGERS OF THE UNKNOWN #2 fair-good 1958, No RSV | $30.01 |
| Showcase 6 1st Challengers of the Unknown PGX 4.0 unres | $345.00 |
| CHALLENGERS OF THE UNKNOWN #30 AND #31 (1963) VG/F- | $20.00 |
| 1960 Challengers of the Unknown #15 | $9.99 |
| Challengers of the Unknown #4 FNVF Super Bright Kirby | $119.00 |
| Challengers of the Unknown 38, 58 | $5.00 |
| 1958 Challengers of the Unknown #2-Kirby Art | $24.99 |
| 1960 Challengers of the Unknown #16 | $9.99 |
| CHALLENGERS OF THE UNKNOWN 1-8 TIM SALE & JEPH LOEB NM | $2.99 |
| CORGI 2003 F-16 VF43 CHALLENGERS FIGHTING MACHINES | $3.99 |
| Challengers 1-2 yaoi BL manga by Hinako Takanaga | $8.45 |
| DC SILVER AGE CHALLENGERS OF THE UNKNOWN LOT, NICE!! | $7.99 |
| Chex Mix challengers 2000 8 Digital Cards 2 packs | $0.99 |
| CHALLENGERS OF THE UNKNOWN #78 & #80 - n.fine | $3.00 |
| Uintah Railroad Pictorial Challengers On30 On3 HOn3 Sn3 | $27.07 |