when Pip sees Molly in chapter 48, what does he begin to believe ? What three things draws Pip to draw this conclusion about Molly?

During the dinner, Pip finally realizes what had been so familiar about a certain look he had seen in Estella. It was a look that he had seen in Jaggers' servant woman as well. Pip knows instinctively now that Jaggers' servant woman is Estella's mother!