I think this may be the link you are looking for, but there's not a thing that proves Patsy's hat or boots contained any "beaver" fur or for that matter any kind of fur. Could have been "fake" fur for all we know.
http://s79.photobucket.com/albums/j149/whynut/?action=view¤t=patsyfurboots.jpg
http://s79.photobucket.com/albums/j149/whynut/?action=view¤t=patsyfurboots.jpg