despite these luxurious homes filled with fabulous possessions, huguette clark spent her final time on all right, the clark family treasures are now up for auction here at christie's, including a rare treasure from the music world. let's begin our tour with multiple grammy winner joshua bell. he's one of the world's most renowned and celebrated violinists. good morning, nice to see you. >> nice to see you. >> say hello to my little friend. tell me about this. >> well, i just grabbed it out of that case. i feel like a kid in a candy shop. this was made in 1731 by stradivarius. it was played by rodolphe kreutzer. so it's got an amazing history attached to it. >> you've owned three of these stradivarius violins. >> i own one now. >> each one has its own personality. can i hear the personality of this one? >> well, this one, i love the low and the bottom. the g-string, as we call it. ♪ >> it's got a rich, warm quality. >> any idea on the price of something like this? >> i don't know. they're saying it might go for around $7 million to $10 million. which is a bargain compared to that over t