| Some toys are marked with an indecipherable logo. We present them to our readers’ sagacity. The caption for the photo is in English. |
Unknown manufacturers
Japan
Manufacturer's logos:
1 - Unknown manufacturer, Tokyo,Taisho Era, logo: character ‘Middle’ in a diamond 
2 - Unknown manufacturer, 1950s, logo: stylised sunrise on japanese character in a vertical diamond
3 - Unknown manufacturer, Tokyo,Taisho Era, logo: T on a cartouche in which Y O in a diamond
4 - Unknown manufacturer, Tokyo,Taisho Era, logo: Bonzai bowl with red triangle, SUKUKANSE (tinplate figurines)
5 - Unknown manufacturer, 1930s, logo: S upon an airplane.
6 - Unknown manufacturer, 1930s, logo: Big S, little T in a cogwheel. On a Nomura toy, possibly a subcontractor.