Thank you all for your amazing replies.
For companies that specialise in personalised jigsaws- 3 supplies names kept coming up:
http://www.longstaff.co.uk/acatalog/unique.html
http://www.jigsaws.co.uk/
http://www.toysfromtom.co.uk/
This all come highly recomended by other museums.
Thanks
Sally
Chertsey Museum
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