tiny-librarian: A Pennsylvania museum has solved the mystery of a Renaissance portrait in an investigation that spans hundreds of years, layers of paint and the murdered daughter of an Italian duke. Among the works featured in the Carnegie Museum’s

tiny-librarian: A Pennsylvania museum has solved the mystery of a Renaissance portrait in an investigation that spans hundreds of years, layers of paint and the murdered daughter of an Italian duke. Among the works featured in the Carnegie Museum’s

tiny-librarian: A Pennsylvania museum has solved the mystery of a Renaissance portrait