AVENGERS INVADERS #1 AUTHENTIX DYNAMIC FORCES SIGNED PABLO MARCOS SKETCH COA #2. Universe X #1 Dynamic Forces Concept Sketch Variant Signed & Remarked Limited Edition comic book from Marvel Comics, which is signed by the creative team of Alex Ross, Jim Krueger, Bill Rheinhold and signed and remarked by artist Doug Braithwaite, who has added a nice original piece of artwork in the form of a Spidey head sketch. The comic book comes with the Dynamic Forces seal intact and a numbered Certificate Of Authenticity (COA) confirming that the signatures and sketch are authentic and that it was limited to just 350 copies produced. The scans are of the actual item in Near Mint or better condition. Items are sent securely in strong packaging. For low quantities this is a stiff oversized corrugated cardboard comic mailer. For larger quantities of comics and higher value items we use bubble wrap & poly chips in boxes. CGC slabs are sent in multiple layers of protection in strong boxes. We have over 20 years experience in comics & collectibles.