NEW YORK - "Orange Marilyn," a 1964 silk-screen by Pop artist Andy Warhol, sold for a dizzying $17.3 million at a Sotheby's auction Thursday, more than four times the highest previous price paid for a Warhol.

An anonymous buyer purchased the work, which had been expected to fetch between $4 million and $6 million. The previous record paid for a Warhol was $4.1 million, Sotheby's said.

Also setting a record was Lucian Freud's "Large Interior, W11 (After Watteau)," which fetched $5.8 million. The sale far surpassed the previous record paid for a Freud, which was $1.5 million. The work, a group portrait painted between 1981 and 1983, had been expected to sell for $2.5 million to $3.5 million.

Both records were set at Sotheby's spring sale of contemporary art.

The Warhol silk-screen was based on a 1952 publicity still photograph of Marilyn Monroe and is one of Warhol's best-known images.

A spokesman for the famed auction house called the Warhol sale "poetic."