Egg cup

Egg cups have an upwardly concave portion to hold the egg and a flat-bottomed base.

Egg cups can be made from a variety of materials, including bakelite, glass, plastic, porcelain, pottery, various metals, wood, or a combination of two materials, such as ceramic and wood.

An early silver egg cup was found in the ruins of Pompeii.

[1] Egg cups are collectible items.

Collecting egg cups is called pocillovy.