Artie, that's an RG600-series guitar from 1987. They only made them for 2 years and they weren't shown in the U.S. catalogs as I recall.
Here's another like it (from Russia):
https://reverb.com/item/16524603-iba...-crystal-pearl
Being from 1987, the black with red/magenta highlights is likely a factory finish. There were TONS of finishes produced by Ibanez during the 1986-1991 period that were never advertised in the catalogs. Also, you will find examples of the 1987 "Radius" and the 1986 RoadStar II in this particular finish.