Badges have three grades
甲種 - A (silver-colored badge)
乙種 - B (bronze-colored badge)
丙種 - C (bronze-colored badge)
In turn every grade has four classes.
一級 - 1st class
二級 - 2nd class
三級 - 3rd class
四級 - 4th class
Grade A badges.
2nd class.
Reverse
逓信省 - Ministry of...
japanese badge
japanese post badges
japanese postal servicebadgeministryofcommunicationsbadgeministryofcommunicationsdiligentservicebadge
勤功章
逓信省一級丙種勤功章
逓信省種勤功章
Badges were introduced in 1880.
Original line drawing.
1st class badges "purple star".
1st variation.
Obverse
Symbol 〒 https://asiamedals.info/threads/symbol-of-japanese-post-yubin-maku-and-its-history.24108/
reverse
逓信省 - Ministry of Communications
Marked with Ando workshop mark -...
japanese badge
japanese post badges
japanese post office diligentservicebadgeministryofcommunicationsbadgeministryofcommunicationsdiligentservicebadge
勤功章
壹級逓信省勤功章
逓信省勤功章