This issue is addressed in the Classic Horror Film Board thread that starts at this post:
https://www.tapatalk.com/groups/monsterkidclassichorrorforum/the-old-dark-house-1932-4k-restoration-t67148-s220.html#p1317363
In one of the following posts Tom Weaver reports that Cohen said that the...
FWIW, about a month ago, and for just a day or less, there was a Cohen-produced trailer on YouTube (I had followed a link someone posted on Nitrateville) for their restored version and what was included in it looked absolutely stunning, as in an excellent transfer of high-quality...