The 1DX2 has been my workhorse camera for the last few years and I recently upgraded to a C70. I no longer have the camera body, so I am only selling the Nauticam housing for the 1DX2 (NA-1DX2) for $3000 + shipping. The housing has always been well cared for and will also be fully serviced by Reef Photo prior to sale. It comes with a Nauticam vacuum bulkhead, camera tray, hot shoe plug and its original packaging.
Despite being 5 years old, the 1DX2 still offers some of the best bang for the buck for UW shooters (1DX2 is currently $4000 new or ~$2000 used). I think Nauticam knows that seeing how they currently price the NA-1DX2 vs. housings for newer cameras. There aren't many systems in the price range that can compete with the 1DX2 on photo or video features (+ great underwater canon colors).
I love this camera and I hope that it finds itself in capable hands for its next journey. You can see UW footage shot with it here: https://www.youtube.com/divehard (all UW shots between 2017 - 2021 were shot with this housing).
Cheers
Kabir