Very possibly. Could be in depot for other work too though.I would expect the next step to be for other TOCs to follow suit with one of their own GBR branded trains
I don’t think GTR have that luxury in spare trains to keep it in a depot for that long
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Its all over vinyl on top of the gwr greenIs the livery a vinyl job like the WMR 172 all over or base of paint job with the red being vinyl