Sothebys staff member looks at 'L'Oiseau d'or' by Constantin Brancusi (Esti...

Sothebys staff member looks at 'L'Oiseau d'or' by Constantin Brancusi (Esti...

The press preview for Sotheby's Modern and Contemporary auction on March 4t...

A Sotheby's staff member examines 'Camouflage' by Andy Warhol (Estimate £1,...

A Sothebys staff member holds 'Silent Treatment' by Joseph Yaeger (Estimate...

The press preview for Sotheby's Modern and Contemporary auction on March 4t...

Sotheby's staff member looks at 'Modern Tapestry (Study)' by Roy Lichtenste...

Sothebys staff member stands by 'Camouflage' by Andy Warhol (Estimate £1,80...

The press preview for Sotheby's Modern and Contemporary auction on March 4t...

• People: Andy Warhol Camoufage

A Sothebys staff member walks past 'Heu' by Gerhard Richter, estimated at £...

A Sothebys staff member walks past 'Heu' by Gerhard Richter, estimated at £...

Sothebys staff members hold After Embah by Lisa Brice, estimated at £1,000,...

Sothebys staff members look at 'Moonmad' by Max Ernst, estimated at £600,00...

Sothebys staff members look at 'Moonmad' by Max Ernst, estimated at £600,00...

Sothebys staff members look at 'Moonmad' by Max Ernst, estimated at £600,00...

The press preview for Sotheby's Modern and Contemporary auction on March 4t...

• People: Max Ernst Moonmad

A Sothebys staff member looks at 'Moonmad' by Max Ernst, estimated at £600,...

Two Sothebys staff members hold 'Omega Man 15' by Albert Oehlen, estimated ...

The press preview for Sotheby's Modern and Contemporary auction on March 4t...

Two Sotheby's staff members hold 'Portraits' by Nicolas Party, estimated at...

Two Sothebys staff members look at Buste de femme by Pablo Picasso, estimat...

Two Sothebys staff members look at Buste de femme by Pablo Picasso, estimat...

The press preview for Sotheby's Modern and Contemporary auction on March 4t...

• People: Yoshitomo Nara Cosmic Eyes (in the Milky Lake)

The press preview for Sotheby's Modern and Contemporary auction on March 4t...

• People: Yoshitomo Nara Cosmic Eyes (in the Milky Lake)