Samuel Kilborn (real name Samuel K. Dolan) has been researching a book on El Paso and he's been posting some very cool photos he has been finding, including this gem:
This looks early. Burt was later the head of the Arizona Rangers in the 1900s.
Here's another little sugarloaf nugget from across the border.
Of course, the mighty sugarloaf gave rise to the bigger cowboy hats of the classic era, at least to my eye: