Marvel's Transformers #4.  1985 Issue.  CBCS graded at 9.4, NM.  Book was also signed by both Peter Cullen (Optimus Prime) and Frank Welker (Megatron).  Rare to find both the major voice actors sign together (both were witnessed).  Key book; 1st appearance 'Shockwave'.  As received from CBCS.  No evident cracks, scuffs or scratches  present.  Great appeal on this item.  Poly-bagged protected.  Stored in a smoke-free environment.  See label/ header from more details.