This ivory figure of a hunchback dates from the 1st century BC. It probably comes from Egypt and is today in the British Museum from the site of which I borrow the picture.
It is a perfect example of the way hellenistic art treated the human body and face departing from the idealization of the Classical period and adopting a more realistic approach.
It is worth trying to find this figure if you visit the British museum. It is in room 22!