NEW : `` Impossible '' to think Pablo Picasso gave works away , a family representative says . A 71-year-old retired electrician sought to have 26 unknown works authenticated . The Picasso family is suing the man , alleging that the works are stolen . Christine Pinault , Claude Picasso 's assistant and an employee of the Picasso Administration , said the artwork was reviewed by the family and others in the administration , who determined that the works are all authentic . The lawsuit , filed in Monday , was reported by a Nanterre newspaper September .
NEW : `` Impossible '' to think Pablo Picasso gave works away , a family representative says . A 71-year-old retired electrician sought to have 26 unknown works authenticated . The Picasso family is suing the man , alleging that the works are stolen . The lawsuit , filed in Monday , was reported by a Nanterre newspaper September .