A self-portrait by Huguette Clark in the 1950s or 1960s in her New York apartment on Fifth Avenue.

A self-portrait by Huguette Clark in the 1950s or 1960s in her New York apartment on Fifth Avenue.

A self-portrait by Huguette Clark in the 1950s or 1960s in her New York apartment on Fifth Avenue.

A self-portrait by Huguette Clark in the 1950s or 1960s in her New York apartment on Fifth Avenue.

A self-portrait by Huguette Clark in the 1950s or 1960s in her New York apartment on Fifth Avenue.

A self-portrait by Huguette Clark in the 1950s or 1960s in her New York apartment on Fifth Avenue.

A self-portrait by Huguette Clark in the 1950s or 1960s in her New York apartment on Fifth Avenue.

A self-portrait by Huguette Clark in the 1950s or 1960s in her New York apartment on Fifth Avenue.