“Nuovo” is a ceramic set composed of two parts for serving boiled eggs.
The top is designed to hold the egg and collect the residuals of the shell, while the bottom (plate) is used to serve the shelled egg by holding it in a slight dished surface. the concave surface on the bottom is designed to facilitate serving the boiled egg.
The bottom has also two concave surface in lateral parts which are designed for a better grab by fingers during the carrying (pic n.7).
If you follow the sequence of the pictures (1,2,3, …) it show how it will be used.