In 2012 one of his works sold for $86.9 million.

This will be the third time since the 1960's that it has sold works.

Both come from families who have been selling European works of art for more than a hundred years.

From the 1860s, he started to sell his works through Christie's.

Almost half the works sold last night were bought by dealers.

The fine for those selling works without permits was $1,000.

So you think that as a general rule, museums should not sell works of art?

Her friends began complaining that he had sold their works but never paid them.

She has tried to create special zones where artists could sell their works.

The exhibits will be open to the public, and the artists can sell their works.