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Price & Buyers' Guides
- $14.99 Adventure Comics #494 - Superboy - Spectre - Challengers of the Unknown - VF 8.0
- $2.15 Challengers Of The Unknown #1 2000 DC Comics
- $90.00 CHALLENGERS OF THE UNKNOWN #70 CGC 8.0 OW-W 1969 Sparling, NEAL ADAMS c?
- $3.99 Adventures Of Superman 508 🔥1994 Challengers Of The Unknown🔥DC Comics🔥NM
- $14.98 DC COMICS / CHALLENGERS of the UNKNOWN / #5 / JULY 91