The gauge cluster came from the donor vehicle with the engine, tranny, drivetrain, etc. So the mileage on the odo is the mileage on the engine; not the mileage on the RS shell, which is closer to 140k.
This will probably be the last bump of my FS thread. Seems like everyone who wants her can't afford her, and evidently those who can afford her opt to buy more expensive STIs instead. I will likely decide soon to keep her and enjoy her myself for another 30k miles.