There is a new remaster of this just coming out on bluray in the UK and Europe but unfortunately without the mono soundtrack.
Would be cool if someone put the mono soundtrack over this new video
Comparison between the Lowry remaster (2012 UK Blu-ray) and U.S. Blu-ray:
http://www.screenshotcomparison.com/comparison/147851
http://www.screenshotcomparison.com/comparison/147849
http://www.screenshotcomparison.com/comparison/147847
http://www.screenshotcomparison.com/comparison/147840