Most Valuable & Rare Nintendo NES Games - with Price Guide

Super-rare NES game being sold for $90,000 online [Update] - Neowin

Legend of Zelda breaks world record for most expensive game cart ever - Polygon

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A Vintage 'Legend of Zelda' Game Just Sold for $870,000 at Auction – Robb Report

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Legend of Zelda': Unopened NES game sells for $870,000 at auction, a record for a video game

This Ultra-Rare Copy Of The Original NES Zelda Just Sold For $870,000