The Crown Grading authentication team has reviewed this 2025 Topps Wacky Packages Halloween Sketch Card and confirms the autograph present on the reverse as that of cartoonist Mark Parisi, consistent with Topps' own authentication accompanying the card at issuance. The signature displays the bold, all-caps letter formations characteristic of Parisi's known signing style, with particular note of the distinctively rendered "S" in Parisi, formed in a pronounced backward-Z construction that is a consistent and identifying marker of his hand. The ink is live and applied directly to the card stock, showing natural flow and pressure variation consistent with an authentic in-person autograph. Crown Grading is confident in affirming this autograph as genuine, supported by both Topps-issued provenance and the team's own firsthand review of the signature's physical characteristics.