Manetsu-Chosen Railways Badge/南満洲鉄道朝鮮鉄道章

Most likely these badges were issued to the participants of an unknown conference. Original ribbon is missing.

Size 51 x 17 mm.
Thickness 7 mm.

Stylized combined logos of two railways South Manchurian Railway /Manetsu/ https://asiamedals.info/forums/south-manchurian-railway-badges-and-artefacts.739/ and Chosen Railway https://asiamedals.info/threads/chosen-manetsu-railways-visiting-group-badge.24385/.

 

Another example. Once again ribbon is missing.