Small or Green-veined White ?

Small or Green-veined White ?

Observation - Small or Green-veined White ?. Description: One of a pair in a scrubby patch of gramble, gorse, nettles. Update - I've added another image, and further cropped the original image to hope for better id.

One of a pair in a scrubby patch of gramble, gorse, nettles. Update - I've added another image, and further cropped the original image to hope for better id.