The walls of Arthur Brand’s Amsterdam apartment have been graced with masterpieces by Picasso and Van Gogh. Once, he briefly displayed the blood of Jesus Christ on his counter. And for a little while, his finger donned a ring previously owned by Oscar Wilde. These treasures come to Brand just for a night or two, as he plays middleman between the world of fine art and Europe’s criminal underbelly. For nearly 15 years, Brand has made his reputation as what he calls an “art detective.” As a self-styled Indiana Jones…
