There's an article on a Mr Ishii Jun’ichi on the Japanese Wikipedia: https://ja.wikipedia.org/wiki/石井順一
He was a baseball player, coach and manufacturer of baseball equipment and spent some time in the US in the 1920s.
Perhaps this is a container for a baseball bat?
This is Classical Chinese.
It's a poem called "On the Stork Tower" (登鹳雀楼) by the Tang Dynasty poet Wang Zhihuan (王之渙).
You can find a translation here.