Teenage Mutant Ninja Turtles Adventures #1 CGC 9.8. Display your slabbed books for free at myslabbedcomics. The item "Teenage Mutant Ninja Turtles Adventures #1 CGC 9.8 (1988 Mini-Series)" is in sale since Thursday, January 14, 2021. This item is in the category "Collectibles\Comics\Copper Age (1984-1991)\Movie & TV".collectibles" and is located in Reading, Massachusetts. This item can be shipped worldwide.