CGC 9.8 Signature Series Chilling Adventures of Sabrina #1. Signed by Sabrina herself, Kiernan Shipka. Robert Hack cover & art.Andrews' "Flowers in the Attic" book cover homage. The item "CGC SS 9.8 Chilling Adventures of Sabrina #1 signed Kiernan Shipka Teenage Witch" is in sale since Saturday, August 15, 2020. This item is in the category "Collectibles\Comics\Modern Age (1992-Now)\Movie & TV". The seller is "piersonite2012" and is located in Bradenton, Florida. This item can be shipped worldwide.