Help me Identify these disc brakes

junkyardhero said
thems look like KH to my eyes.

ETA: here's some comparison pics
View attachment 1716264756

View attachment 1716264757

I will say it again, Don’t Get Old, I am in my 70’s and I can’t see the forest through the trees until I just saw the 2 pictures you posted. Yes I see it all now.
Thanks again