Nike Mercurial Vapor IX SE FG MVXV (Ronaldo R9 1998) - Unboxing + On Feet - YouTube
Ronaldo of Brazil sports his Nike R9 boots in the World Cup group A... News Photo - Getty Images
Nike Air Max Mercurial R9 (OG) - Sneaker Freaker
FirstAceSports - Nike Mercurial R9 1998 Black White SG
Nike Mercurial World Cup football boots from 1998 to 2010
The Original Colorway Of The Nike Mercurial R9 Is Back On The Air Max Version - SneakerNews.com
Mercurial Mk1 - The Original R9 - SoccerBible
Nike Mercurial R9 1998 SG
Nike Mercurial Vapor Match FG R9 Ronaldo Black Blue Football Soccer Cleats US9.5 | eBay
Remembering R9's World Cup Boots: 1998 – 2006 - SoccerBible
I believe these are the mercurial r9 from 1998. I remember having a pair with the same colorway but without cleats. For indoor soccer I believe but can't find any info online.
1998 NIKE MERCURIAL R9 SG : r/OldSchoolFootball
Nike Mercurial 1998 R9 Black White FG – Classic Soccer Cleats