Hanna Barbera limited edition cel, theme park studio: Hanna Barbera medium: limited edition cel title: theme park year: 1992 characters: the Flintstones, the Jetsons, and other Hanna-Barbera characters, with certificate of authenticity. Original Hanna-Barbera limited edition cel, 'Theme Park' 1992, #371 of 400. Characters: the Flintstones, the Jetsons, and other Hanna-Barbera characters, with certificate of authenticity. 54 x 122 cm (frame size)