UK Spirit Entertainment Blu-ray

UK Spirit Blu-ray better encode than Criterion Blu-ray

Criterion Blu-ray (mono mix)

The UK Blu-ray is a marginally better encode than the Criterion, with better preseveration of detail: https://caps-a-holic.com/c_list.php?c=5302

The Criterion Blu-ray presents the original mono mix. Most other Blu-rays and DVDs are remixed either to stereo or 5.1 surround, with loss of detail and very little actual separation.

4K Restoration: Curzon 4K Blu-ray

Theatrical Presentation: 2013 Japan King Records Blu-ray

Curzon 4K Blu-ray

Criterion  Blu-ray contains exclusive interviews.

The 2013 King Records Blu-ray is the only Blu-Ray release with the video processed look that appeared theatrically, all following Blu-Ray releases use an restoration straight from the original camera negative.