I purchased one, they sent me 2. So it's brand new, never used. $80 plus shipping, US only please. Amazon, Sweetwater have it for approx $130.
This is the Mackie Onyx Artist 1-2 USB Audio Interface:
https://www.sweetwater.com/store/detail/OnyxArtist12--mackie-onyx-artist-1-2-usb-audio-interface
This is the Mackie Onyx Artist 1-2 USB Audio Interface:
https://www.sweetwater.com/store/detail/OnyxArtist12--mackie-onyx-artist-1-2-usb-audio-interface