Please can someone help me with this one?

Please can someone help me with this one?

Observation - Please can someone help me with this one? - UK and Ireland. Description: A few of these 'egg' like within a woodland. About 1.5cm in diameter and 3 cm tall. Thanks.

A few of these 'egg' like within a woodland. About 1.5cm in diameter and 3 cm tall. Thanks.