More pics and some info here (in French) :
https://smhq.ca/dioramas-la-bataille-de-waterloo-jean-pierre-leclercq/
Another Waterloo diorama has been on display at the Boman Museum in Celle (Germany) :
http://leadadventureforum.com/index.php?PHPSESSID=c79075d97f0deb4607326aa63aa7596b&topic=78879.0
H.P.