Up for auction is a great example of a probably 19teens or earlier soft felt hat. Don't know the maker, just the model is "The Arrow hat". Very much like a Stetson boss raw edge kettle curl brim.
See all pics and details at link -> https://www.ebay.com/itm/204221528645
See all pics and details at link -> https://www.ebay.com/itm/204221528645