SINGLE COMICS DC C Challengers of the Unknown Series 4 #1 (of six) PreviousFREE Challengers of the Unknown Series 3 #17 NextChallengers of the Unknown Series 4 #4 (of six) Challengers of the Unknown Series 4 #1 (of six) Challengers of the Unknown Series 4 #1 (of six) £1.00 DC Aug 2004. 1st Print. Chaykin, Madsen. FN+ 6.5. 36 pages complete Add To Cart Facebook0 Twitter