What is this Irvin suffering from ?

[Peter Graham]

I've never seen one quite as bad as this. What's wrong with it. Looks like terminal moulting. Shame as the jacket itself is in great condition.
http://cgi.ebay.co.uk/Irvin-1944-RAF-Fl ... _536wt_930

 

[Silver Surfer]

moths? insidious little buggers. ya dont know that they have been at work till its to late.

 

[HHjackets]

just don't bring it indoors!

 

[SuinBruin]

male pattern baldness. a mixture of rogaine and pecard's should help.