https://www.bbc.co.uk/news/articles/crm30yen1dlo
Toby Carvery:Mr Wright said neither that chainsaw nor the wedge of wood taken from the tree as a "trophy" had been found and they had probably been "hidden away".
https://www.bbc.co.uk/news/articles/c05n1vnnyrvo
Notice that the felling being notorious seems to be a plus to this hypothetical buyer.M&B said it felled the tree on health and safety grounds after receiving advice from unnamed contractors that "the split and dead wood posed a serious health and safety risk," and stressed that "necessary measures to ensure any legal requirements were met".
How much money would have to be on offer to make this sort of thievery viable?