
A more labor intensive way to age wood would be to think about all the finishes it would've had if it were genuinely 50 years old. It would've been sanded & stained first. Then, banged up A LOT & when it was good and banged up someone would've primed then painted it. Then over the years it would've been painted & repainted. And finally, it would've been banged up more with a lot of wear on the edges, around knobs, etc. So follow that pattern--sand it, stain it, beat it up, prime it, paint it, paint it, paint it, paint it, beat it up, use a sander to add wear to commonly touched areas & edges.