Hi Paul, welcome to Audiokarma!
There is a 7" Bakelite on eBay right now:
http://cgi.aol.ebay.com/ws/eBayISAPI...287940926&rd=1
It's in fair shape with a crack in the case.
Is there a special reason it has to be this model? The Bakelite Motos usually go pretty high, if you just want a set to restore the common wood VT71 is much cheaper.
Eric