Eric, on second look, I think you’re right.
I lie corrected.
Looks like Doug Leen and Brad Fowler did that south Perry glacier lobe on the 2A of SE Mox in 1968 (27 years after Fred and Helmy).
Silas, Russ, and I repeated it in 1982 (up and down).
Take that north Perry trophy off the shelf, but don’t tell anyone.