Does Anyone Know About This Artwork?

I came across this woodblock print while surfing the Internet. There was no description about who the artist was, when it was printed, or what the scene depicts.

I’m almost positive this print is Japanese. I also believe the dark skinned warriors depicted are supposed to be Korean. (There are other prints were Koreans are depicted in this manner.) However, I’m not sure.

What is really interesting about this print is weapon the dark skinned warrior in the center of image is wielding. This weapon definitely looks very similar to the Chinese pole-arm called a Wolf’s Teeth Club.

I’m hoping this site has a readership large enough one day that somebody will know more about this print and what is being depicted. I would really like to hear any information anyone might have.

I don’t think it’s the style of print I would ad to my collection, but I think it is interesting.