Male version of the badge was introduced in 1936.
1st variation "early badges".
Size 20 mm.
Obverse
Stylized kanji 皆 for 皆勤 - Perfect Attendance
reverse
逓信省 - Ministry of Communications
Original line drawing.
皆勤章 - Perfect Attendance Badge
男子用 - For Men
Original case.
男子用 - For...
