For jewelry and antiques, Romero finds that people tend to overestimate ... I advise executors to get an appraisal for estate tax purposes from a reputable appraiser with experience valuing the type ...
According to Noralen Curl, an appraisals expert for Just Answer, "you really need to be able to tell if the work is actually painted on a medium, and not a print reproduction, or a mass-produced, ...