Great shots @Ruhl !
Any chance of a direct top down shot (ie the wearer's perspective?)
S last does seem like a longer style shoe, whereas the English squared toe style seems much shorter and 'compact' (ala G&G, AS).
My OE II with v-cap do this as well, but my suede OE I with straight cap do not. Apparently this is normal, so don't worry too much.
If you search google you can find pics of a bespoke pair of GG St James II with worse creasing!