Original production sketch for ''Jurassic Park'', the 1993 Steven Spielberg film that spawned five sequels in addition to carnivorous dinosaurs. This hand-drawn sketch by entertainment and rock music artist Michael Salisbury was used in the development of the logo, title and tagline for the film, with a ferocious T-Rex atop the warning, ''They're REAL''. Graphite sketch on artist tissue paper measures approximately 7.5'' x 6''. Uneven edges and light creasing, overall near fine.