WOW!! Just amazing! I love that set, even better than mine, with the actual Muppet Diary, what a great piece of Classic Muppet memorabilia.
At the end of the day, items like this will go for whatever a collector is prepared to pay for them, could be anywhere from £100-£600, maybe more.
All depends on targeting the right people in the right place. I bought my set on Ebay, and there didn't seem to be a huge amount of interest in them, which surprised me, so I guess a film & television memorabilia auction would be the best place to sell these.
Slightly unrelated and random fact, I heard that a jacket owned by Michael Jackson given to him by Jim Henson , sold in an auction last night for £1500, not signed.
If you're looking to sell them on at any point, maybe put a post on here about it before and then list it on ebay, i'd imagine this is the right place to get a buyer, i'd certainly be interested.
Did your aunt have any interesting stories from her experience on the show ?
Mark