Just came across this sporran labelled as a Feather Dress Sporran. Is this actually made of feathers or is it a name which reflects the appearance of the fur?

http://houseoflabhran.com/highland-w...age-1900s.html

If it is made of feathers it mirrors the Korowai, a feathered cloak made here in New Zealand by Maori craftspeople, ancient examples of which are among our national treasures. Which gives me an obvious DIY idea.
any help?