But whether her certificates from before this will be honored . Roque died in 1986, and Picasso’s son Paulo (his only legitimate child, born to his first wife, Olga Khokhlova, in 1921) died in 1975.

The surviving heirs are Picasso’s three other children—Maya (born 1935), the daughter of Marie-Thérèse Walter, with whom the artist had a long relationship; Claude (born 1947) and Paloma (born 1949), the children of another long-time mistress, the painter and writer Françoise Gilot; and two grandchildren, Marina (born 1950) and her half-brother, Bernard (born 1959), the children of Paulo.

Picasso could be capricious when it came to authenticating his own work.

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Picasso was, by some estimates, one of the wealthiest men in the world when he died, in 1973.

In the early 1980s, after years of legal wrangling and well-publicized squabbling over the settlement of his estate, his heirs established a committee to officially authenticate his works.

In an attempt to put an end to their persistent legal conflicts, a French court appointed Claude legal administrator of the estate in 1989.

Claude later established the Picasso Administration, the organi- zation that manages, on behalf of the estate, the heirs’ jointly owned interests and intellectual property rights deriving from Picasso’s work, name, and person.

No, I cannot sign it, madam, I’m sorry.” And on yet another occasion, an irked Picasso angrily covered a work brought to him for authentication with so many signatures that he defaced and effectively ruined it.

Even today, 40 years after Picasso’s death, the question of how his heirs exercise their right under French law to authenticate his work is a knotty one.

“I nearly died.” Others close to the Picasso family, however, describe a long-standing state of low-grade tension between Maya and Claude over the issue of authentication, coupled with a long-term effort by Claude to enlist the support of his fellow heirs in consolidating the authentication process under his auspices.

In addition, the 77-year-old Maya is said to have scaled back her activity, due to convalescence from a recent fall and other health issues.

According to her son Olivier, she is “really not into authentifications these days.” Several dealers and auctioneers contacted by welcomed the announcement of the new Picasso authentication procedure, although they did so cautiously.“Does this clarify things?