15 years with the Mercurial R9 - The original faces off with the heir
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 celebrate 15 years of Mercurial and recreate the R9 boot
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1998 NIKE MERCURIAL R9 SG : r/OldSchoolFootball
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The Mercurial R9 – the boot that changed the industry.
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The Original Colorway Of The Nike Mercurial R9 Is Back On The Air Max Version - SneakerNews.com
The Original Colorway Of The Nike Mercurial R9 Is Back On The Air Max Version - SneakerNews.com
Mercurial Mk1 - The Original R9 - SoccerBible
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Nike Mercurial Superfly IV Heritage iD FG Ronaldo R9 1998 World Cup US 11.5 | eBay