Tall fur helmet (8)
(Other definitions for bearskin that I've seen before include "hide from wild animal" , "Capital asset" , "ceremonial headgear" , "piece of military uniform" , "Tall, fur regimental headdress" .)
(Other definitions for busby that I've seen before include "Hussar's hat" , "Guardsman's helmet" , "Guardsman's fur hat" , "Mil. bearskin (colloq.)" , "Military fur hat" .)