I've listed quite a few puppet lots on ebay, including some Punch items:
A set of Peter Bourne Punch heads http://www.ebay.co.uk/itm/281569051641?ssPageName=STRK:MESELX:IT&_trksid=p3984.m1555.l2649
A Wal Kent Ghost http://www.ebay.co.uk/itm/281569058894?ssPageName=STRK:MESELX:IT&_trksid=p3984.m1555.l2649
Various circus puppets (see seller's other items for lots more) http://www.ebay.co.uk/itm/281569044905?ssPageName=STRK:MESELX:IT&_trksid=p3984.m1555.l2649
Any questions, just ask.