bici onlieri joins us. bici. >> anywhere up to $870 million.there are some in the art world it shouldn't be this way. >> the he detroit institute of arts is considered one of the top museums of the country. it's a cultural gem in a city gone bankrupt. now a collection of masterpieces held in trust for generations to come faces an uncertain future. christie's inventory is worth $450 million to $870 million. $18 billion in the red a federal bankruptcy judge has ruled nothing is off the table. pensions and retiree health care could be the victims. >> selling the city artwork is unethical. he says art is sold to buy more art, never to help settle city debt. >> it's the government's job to make sure that the artwork was held in a way that it would be off-limits but they didn't do their job. they just assumed that this would be a nonstarter and they were wrong. >> nearly 3,00 3,000 pieces are potentially up for sale, including works of breugel and van gogh. >> i think it's going to be very cautious on the part of the court and on the part of the medi