"Nina con Collar," (Girl with Necklace), a 1929 oil on canvas, will go on the auction block on Nov. 22 at Sotheby`s Latin American sale with an estimated value of $1.5 million to $2 million.

"This hung in a California home for 60 years," said Axel Stein, head of Latin American art at Sotheby`s. "The painting looks very fresh. It was in a dark part of the house so the colors are vibrant."

Kahlo died at age 47 in 1954. The following year, her widower, the muralist Diego Rivera, gave the painting to a woman who had helped Kahlo in the studio, Stein said.

The recipient took the work home to California. Now in her mid-90s, she offered it to Sotheby`s this summer, he said.

The auction house declined to comment on why the owner sought to sell the piece.

"Nina con Collar" is among the first 20 of Kahlo`s 143 paintings, Stein said. It prefigures hallmarks of the artist`s self-portraits, including winged eyebrows and the full frontal gaze.

The subject, a girl of about 13 or 14, stares directly at the viewer. "There is a sense of warmth and closeness," Stein said.

As in some Kahlo self-portraits, there is little depth. The background is a mix of indigo and sky-blue; the face of the girl is copper-brown. She wears a jade necklace that appears in other paintings by the artist.

In international art markets, works by Kahlo have fetched more than any other Latin American artist, said Stein.

Last May, Christie`s sold a 1939 Kahlo painting for $8 million, an auction record for her work.

Sotheby`s has privately sold individual Kahlo works for more than $15 million each, said Dan Abernethy, an auction house spokesman.

One reason Kahlo works are so valued in the international market is that Mexico for several decades has barred their export to conserve the country`s cultural heritage under national patrimony laws, Stein said.

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