What did art historians Federico zeri and Evelyn Harrison first perceive about the statue?

In "The Statue that Didn’t Look Right," both Federico Zeri and Evelyn Harrison analyze the statue in question, but Evelyn Harrison only checks the statue out after Federico Zeri does. Federico’s first perception of the statue is that something seemed a little off, and something just did not look right to him. Following Federico Zeri, Evelyn Harrison looks into the statue, and her first perception of the statue is that everything seems to be okay.