Hi
You could perhaps try this site - seems to be American but it comes up in the UK query list as well. There might be a contact there who can point you in the right direction
The Guild of Book Workers: GBW Newsletter 126... motor functions) to produce a Creative Maker of books. ... The units include case binding, binding in boards, sewn album ... in the current state of leather gold-tooled ...
palimpsest.stanford.edu/byorg/gbw/news/gbw126.html - 86k - Cached - Similar pages
The other option seems to be to ask a qualified antique dealer who if he knows his craft, should be able to help.
Cheers from Oz,
Cougar