20 FACTORY SEALED BOXES, WITH OPENED CASE. RARE WITH BOTH INNER WHITE BOX AND OUTTER BROWN BOX HERE. The item "RARE (20) 1992 Marvel Masterpieces Skybox Comic Card Factory Sealed Boxes & Case" is in sale since Thursday, November 29, 2018. This item is in the category "Collectibles\Non-Sport Trading Cards\Sealed Trading Cards". The seller is "caljeff" and is located in Escondido, California. This item can be shipped to United States.