I don't know if these scales are Factory or not. Since it's a Classic-SD I would think I'd beable to find something on it if they were factory scales. There are also slight imperfections in the scales/mounting so that also makes me think they may not be factory.
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I used to have one the same. I was never convinced it was real MoP
Wasn't my cup of tea and I sold it on. Sorry, I don't know if it was a Vic. release or an after market modification.
I still have a Classic with scales that look just like this..
.. mine is certainly imitation.
The only two Vics. I have with real MoP scales are an Executive and a Champion.