Kino Lorber Blu-ray

Kino Lorber and MoC Blu-ray looks essentially the same, with Kino Lorber marginally better https://caps-a-holic.com/c.php?a=1&x=263&y=236&d1=11968&d2=9399&s1=118114&s2=90719&l=1&i=7&go=1

Eureka MoC Blu-ray

Kino Lorber AR is squished; MoC is correct. Unsure on France Potemkine

MoC Blu-ray

MoC Blu-ray > Kino Lorber, same restoration, but better encoding. The aspect ratio is slightly difference but not sure which is the correct one. See DVDBeaver