Yes, the '99 DeVille "Fiftieth Anniversary Edition" was a factory option and included the unique "sail panel" or C-Pillar emblems, along with unique two-toned leather interior and special floor mats, if I recall. I think the exterior colors were limited to two or three and included White Diamond. In my opinion, a '99 DeVille equipped with this package would command a slightly higher price than an ordinary '99 DeVille.