Butterfly, Grayling?

Butterfly, Grayling?

Observation - Butterfly, Grayling? - UK and Ireland. Description: Not sure about the identity of this butterfly and this is the least blurry photo I have. I have looked in the Higgins and Riley Field Guide to Butterflies of Britain and Europe, but I still don't recognise it.

Not sure about the identity of this butterfly and this is the least blurry photo I have. I have looked in the Higgins and Riley Field Guide to Butterflies of Britain and Europe, but I still don't recognise it.