How much are people willing to pay for an actual power-lacing version of Marty McFly's Nike Mags? An answer is available today out of Hong Kong, where Nike held its first charity auction for the 2016 version of the Back to the Future shoe on Tuesday. The single pair made available through charity auction there sold for a whopping HK$810,000 (that's about $104,000 USD).

This Nike Mag is one of only 89 pairs available globally, the lion's share of which will be distributed through Nike's The Draw system.

Note that this high auction price isn't necessarily a reflection of resell prices to come on the sneakers. British rapper Tinie Tempah ended up paying $37,500 in a charity auction in 2011 for that year's version of the shoe, despite average resell prices never really cracking $10,000. Then again the 2016 pair is much more limited, with only 89 made available compared to 1,500 in 2011.

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