I'm very new to collecting hats. I just got this beauty. I'd like to sell it on ebay...however I cant find anything on the web to tell me How old it is? What's it's value? Any takers that could help me? I cant seem to figure out how to upload the pictures..... Its a black very hard felt bowler/derby like hat. 5" tall Its marked both on the brown leather like material 2 1/4" wide sweat and marked on liner " knox twenty New york john t shayne co Chicago. With a golden eagles seal.