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.
Nike Mercurial Superfly IV Heritage iD FG Ronaldo R9 1998 World Cup US 11.5 | eBay
Nike Mercurial Vapor 1998 R9 FG 117298-021 RARE Football Soccer Cleats US11.5 | eBay
Nike Drops the Ronaldo-Inspired Air Max Mercurial R9 | Hypebeast
Nike celebrate 15 years of Mercurial and recreate the R9 boot
Nike Mercurial Vapor XV - Limited Edition 1998 Mercurial - SoccerBible
Mercurial Mk1 - The Original R9 - SoccerBible
15 years with the Mercurial R9 - The original faces off with the heir
Nike Mercurial 1998 R9 Black White FG – Classic Soccer Cleats
Nike Mercurial R9 Ronaldo Soccer Cleats Shoes Size 2 Y Vintage Retro 1998 style | eBay
Nike Mercurial Vapor R9 I World Cup football boots from 1998 to 2010 ( Ronaldo) - 1 | Football boots, Soccer shoes, Football
Collector boots Ronaldo Nike Mercurial R9 ref 117311 size us8 RARE inter milan | eBay
1998 Nike Mercurial-Inspired Nike Air Max 97 Sneakers Revealed - Footy Headlines
Milestones – Nike Mercurial 1.0 1998 – Boots Vault
OMG! NIKE MERCURIAL HERITAGE iD - R9 1998 😱 | KitLab - YouTube
Ronaldo and the Nike Mercurial R9's | The Football Fanzine
Nike Mercurial World Cup football boots from 1998 to 2010
Never Done Making Moves: Genealogy of Speed. Nike MY
The Original Colorway Of The Nike Mercurial R9 Is Back On The Air Max Version - SneakerNews.com
Ronaldo of Brazil sports his Nike R9 boots in the World Cup group A... News Photo - Getty Images
Nike Have Released A Tribute To The Iconic Mercurials Wore By Ronaldo In 1998 - SPORTbible
The Ronaldo 1998 Mercurial Boots Are Getting A Reboot - SPORTbible
