I was the one that originally uploaded this on dime in 2005. I was bluenote2005. The person that provided me this tape insisted it was what he claims it to be. I don't want to type his email address here. Len, if you want to reach out to him, send me an email or IM. I don't know if he will reply to you. I did get other rare recordings of other artists that weren't listed on discographies, so maybe it is what he claims it is.
My ears don't believe it is Lee Morgan on tracks 5 - 9, and not even the jazz messengers.