1989 goldcoast/riviera barbie just picked her up from a local seller and I can't find any information on her other then when she was made and that she goes by 2 different
Barbie Riviera 1989 (Malaysia) - a photo on Flickriver
Mattel Riviera Barbie : Amazon.sg: Toys
Riviera Barbie (#12433, 1994) details and value – BarbieDB.com