You're right, Forty Rod. I spoke too soon. There were, I think, 3 types of the .32 RF tip up 11/2 -- the original issue, a transitional model and the third one (may actually have been called the second issue).
The first two IIRC did not have the birdshead grip, had a nonfluted cylinder and octagon? barrel. The last model had the round barrel, fluted cyl and birdshead grip. That's the one I just picked up.
I stand corrected, thanks for reminding me to engage my brain before my mouth.