Yes I love the easy and rustic look..
But as I told I believe that they had it to shred the tobacco before ground it.
It seems to be more "worn" one the left side. It can be because they heve scratched the shredded tobacco through a hole, down to a mall and ground it to fine powder.
But maybe did not this one have anything below it. The reason that it looks more worn at The left can be because people often is right-handed (and draws things to the left). More difficult than so it don't need to be..
In Sweden shall nasal-snuff historical have been a big and fine thing before Napoleon fell. After that changes our ideals and oral-snuff (Swedish Snus) started to become a bigger thing, we learn about it from the Dutch..