Sofonisba continued painting portraits throughout her life, including self portraits of her in advanced age. One, dated to 1610 (when the artist was 78) shows the artist seated on a chair, holding a book and a piece of paper. Her dress is not altogether different from the outfit in her 1556 painting: black, modest, and reserved. Upon her death at age 93 (in 1625), her second husband, Orazio Lomellino, had her tomb inscribed, “To Sofonisba, my wife, who is recorded among the illustrious women of the world, outstanding in portraying the images of man.”
(https://smarthistory.org/sofonisba-anguissola/)