One important thing to keep in mind is a lot of old synthethic barber hones may need work or the binder is shot and it will not work well. Also, some are much better than others. If that is the route you choose, do your research.
And I'm not knocking barber hones at all. I would love to have a nice BH in good condition for quick touch ups. I've got a nice natural finisher now so I'm happy with it........for now.