art market minute may 12

New York's marquee auction season begins this week, headlined by Christie’s offering the $250 million art collection of Barnes & Noble founder Len Riggio, including Pablo Picasso’s *Femme à la coiffe d’Arlésienne sur fond vert (Lee Miller)*. Meanwhile, the U.S. State Department has released the grant application for the 61st Venice Biennale, introducing tighter deadlines and new ideological guidelines. Separately, Sotheby’s Hong Kong has postponed an auction of ancient Indian gemstones linked to the Buddha.