1922 Peace Dollar Low Relief hub differences

Does anybody know an easy way to tell the two different 1922 Low Relief obverse hubs apart?
TD
TD
Numismatist. 50 year member ANA. Winner of four ANA Heath Literary Awards; three Wayte and Olga Raymond Literary Awards; Numismatist of the Year Award 2009, and Lifetime Achievement Award 2020. Winner numerous NLG Literary Awards.
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I'm not sure if this answer is correct, but I did spend a few minutes comparing a few and noticed a difference in length of the first ray above the tiara. On one, the ray extended close to the halfway point of the "I" in Liberty, while the other only extended about 1/3 of the way out. Just a guess.
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I use the rays from whatever that headpiece is called. The first type has strong incuse outlines and pointed tips. The second type only has one or two weakly outlined and blunt tips. (I am writing this from menmory - so hope I am getting it right). I am puzzled as to how this all came about. The first version has strong incuse areas. The second doesn't. Yet it all seems too perfect to be hand touchup.
The first reverse has incuse outlines of the sun's rays. But these were added by hand touchup. One of them cuts into the third foothill and apparently eliminates it. Another one prevents the tail of the R of DOLLAR from extending beyond the ray.
There is supposed to be a difference on one of the upper hair curls as well, but I can't find it.
He gave a VAM number to the reverse, but said the obverse was a too insignificant difference to list.
I may an attempt at documenting these in the January and February 1981 issues of Error-Variety News.
The reverses have to be some sort of human intervention I am still holding on to the possibility that the "first" low relief reverse hub was derived from the "second" hub instead of vice versa.
Thank you, but the question was how do you tell the difference between the two low relief hubs. The differences between the high relief hub and either of the two low relief hubs is obvious.
B1 olive branch does not touch eagles talon. There is a noticeable gap.
B2 olive branch is touching the eagles talon. Olive branch also appears to be thinner on B2 reverse.