The Tattiest Creature

I think this is the tattiest butterfly I have ever seen, and yet it was clearly unimpeded by the loss of at least half of all four wings. I encountered it on my July butterfly survey, happily feeding on a Wild Teasel Dipsacus fullonum (or la cardère sauvage in French).
This is what a Silver Washed Fritillary Argynnis phaphia (in French Le Tabac d'Espagne ie 'the Spanish Tobacco') ought to look like.

Susan