Preparation of "Sue" (FMNH PR2081) was completed at the Field Museum and her skeleton was placed on exhibit on 17 May 2000 [REF].
Over 73% of the skeleton was recovered (according to "Tyrannosaurus Rex, The Tyrant King book)(some other sources, such as Black Hills institute, claim it to be over 80% complete), allowing the first complete description of a Tyrannosaurus rex skeleton [REF].