In size , they are comparatively enormous , measuring 2 to 4 inches ( 5.1 to 10.2 cm ) across .
Government offices and corporations usually have inkan specific to their bureau or company and follow the general rules outlined for jitsuin with the following exceptions .
In size , Government offices are comparatively enormous , measuring 2 to 4 inches ( 5.1 to 10.2 cm ) across .
Government offices and corporations usually have inkan specific to their bureau or company and follow the general rules outlined for jitsuin with the following exceptions .