Just a heads up to the public: 3dMark11 is no longer sold or supported, and as a discontinued legacy product, can be downloaded for free direct from the website. Just in case you don't win the giveaway.
https://steamcommunity.com/games/205270/announcements/detail/3724971346867999166

Thank you!

Thank!!!!

thanks!

Thanks! :-)

Thank you :3

Thanks~

is there someplace that still sells keys for this?

Legacy benchmarks are free to download
Legacy benchmarks going back to 3DMark99 are available to download for free from the UL Benchmarks website. These unsupported benchmarks are provided for entertainment only with no guarantee of compatibility with current operating systems. 3DMark 11 will be available for free from January 14, 2020.

https://benchmarks.ul.com/legacy-benchmarks

Source: https://steamcommunity.com/games/205270/announcements/detail/3724971346867999166

Thank you!

This key is not 3DMark11.