A TFL search for Hawes turned up that most of the Hawes C&B revolvers were made by Armi San Paolo (Euroarms). Not too much else about them.
Hawes should be highlighted in red in the following threads:
http://thefiringline.com/forums/show...ighlight=hawes
http://thefiringline.com/forums/show...62&postcount=5
http://thefiringline.com/forums/show...ighlight=hawes