They had a traveling display of Moulthrop stuff here in the Phoenix Botanical Garden a couple of years ago, about a dozen pieces or so, it was nice stuff, but by current standards nothing special, Like Doc said, they got into the game early when hollow forms were novel and unusual and they have brilliantly marketed their work ever since, the info in their display said they have a piece in the Smithsonian, and others owned by a couple of US presidents, on casual viewing I could see tool marks inside their forms that could have easily been sanded out, but I guess they don't need to, it is their name that commands the high price. Kinda like Nakashima, he started making slab furniture first, so his name carries a high price tag, but it seems pretty pedestrian by today's standards... One thing I noticed is that the pics you show look like a satin finish, whereas the work I saw all had the super glossy epoxy looking finish, it was kind of their signature thing, in fact there is a youtube video somewhere showing one of them slathering the finish that looked like bartop on a slowly turning vessel, .... maybe they are moving away from that..... But at any rate, if they can get that price, god bless em, ....