Is this some kind of Oysterling fungus please?

Is this some kind of Oysterling fungus please?

Observation - Is this some kind of Oysterling fungus please?. Description: Found on a fallen Birch branch in a damp woodland. I have seen white-ish Oysterling but not this grey colour. Thanks.

Found on a fallen Birch branch in a damp woodland. I have seen white-ish Oysterling but not this grey colour. Thanks.