Original as in Withdrawn from BR, sometime during its career or as built? Using preserved locomotives for details such as frame detail is a minefield. With the LNER in particular, frames were regularly changed at overhaul, plus major repairs during its lifetime, details will change dramatically. Indeed, at its most recent overhaul, the front of the frames were completely renewed. Scotsman is well known to be a historical nonsense, owing to the way it has been modified during preservation, the BR livery it now carries is the only near authentic livery for it.