Some of those guitars live on long after their owners have passed on.
Joe Bonamassa used Garry Moore's (was originally Peter Greene's) '59 Les Paul and Rory Gallagher's (nods to Dony) '61 Strat on his Tour De Force shows in London. Joe borrowed them from the families.
I do hope Lucille gets a good home. and BB would want her to keep on being played.
By the way 'Life of Riley' is a great documentary about BB King if you get the chance to see it, what a life! I caught it a couple of months back on Lovefilm.