Identify WWII era medal?

[Jags1]

Could someone shed some light on this medal? Recently found it but not sure what it represents or what the kanji means on the box or on the medal itself.
Any help would be appreciated! Many thanks in advance.

 

[Toritoribe]

box
男　正社員章代品
Male, Substitute for Regular Member (of a company) Badge


medal
around the center circle
明治廿八年第四回内國勸業博覧會
Meiji 28(= 1895) the Fourth Domestic Industrial Exposition

in the center circle
鎮西出品
協會員章
名譽會員
Chinzei Exhibition Society* Membership Badge
Honorary Member

* Chinzei Exhibition Society was an organization founded to promote industry of Kyūshū region for the Fourth Domestic Industrial Exposition.

 

[Jags1]

Thank you! Really appreciate it. Now to do some homework on the Exposition.