Mushrooms for id, please

Mushrooms for id, please

Observation - Mushrooms for id, please - UK and Ireland. Description: Small group of mushrooms growing on the side of a sweet chestnut tree. Cap app' 2cm diameter.

Small group of mushrooms growing on the side of a sweet chestnut tree. Cap app' 2cm diameter. Possible dead molls poking out from the cavity in photo 1.