Baseball memorabilia collector. Fetched a record $21.8 million during a
week long auction at Sotheby's in 1999. Among the items was
Joe DiMaggio's
1950 World Series ring and a letter he wrote to
Marilyn Monroe, both of which
DiMaggio's lawyer accused Halper of illegally acquiring. A game-used
Mickey Mantle glove was purchased by
Billy Crystal for $239,000.