I think this is a Marbled Green but would welcome comfirmation.
No interactions present.
As a novice I think I can be forgiven for confusing Marbled Green and Beauty. I am still struggling to work out what WTL mean when they say that the Beauty's diagnostic feature is 'the cross line before the oval from leading to trailing edge.'
Lat/Lng: 52.979, -1.1228
OS grid ref: SK589427