Louis, don't ask Vass to recommend sizes compared to english (or any) shoes, they will give their opinion based on convention charts or something like that. I remember the first time I ordered they insisted a 41 would be fine and it was big. Correct fit just depends on many factors.
Vass does not mark MTO shoes.
I know, that is the model you wanted and I understand your disapointment and maybe nothing will change that. But that it's not even a Vass model, in my humble opinion the Old English is the best Vass model after the budapester. If it fits fine, it's perfect.
Love the Vass saddle colour...have a saddle double monk from Carmina and it's pretty insipid....I might have to slap some colour on it.