A jury just found Brooke Astor’s only child, Anthony Marshall, guilty on most counts of the indictment against him for looting his mother’s estate. But the story is far from over. An appeal is likely, my sources say, and a Westchester court still has to sort out competing claims regarding the late philanthropist’s estate. So the 85-year-old Marshall’s trials are far from over. Marshall inherited his mother’s seat on the Metropolitan Museum of Art’s Board of Trustees but, in an unprecedented action, was kicked out of that exclusive club when his misdeeds toward his mother — now confirmed by the trial — were first revealed. UPDATE: Marshall’s lawyers say they will appeal. “Clearly, the jury thought he did something wrong,” the city’s Public Advocate Betsy Gotbaum said. “I don’t think he should go to jail, frankly. He’s 85 years old. I think he’s probably suffered enough.”