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
Riviera Barbie (#26218, 1999) details and value – BarbieDB.com
Vintage Riviera Barbie Doll 1998 | eBay
1998 Riviera Barbie Special Edition NEW – Vintage Doll Imports AUS