Usually, there's a wide variety of fun masks, for instance, in this Yatai shop from Kumagaya, during the Uchiwa Matsuri, there were Pokemon, Ultraman, Kamen Rider, Sentai, Mickey Mouse, Thomas the Tank Engine, Doraemon, Anpanman and many more... but they had also a few masks inspired by Noh theater:
EXIF info:
Nikon D90
Lens: VR 18-55mm F/3.5-5.6G
Focal Length: 18mm
Aperture: F/5.6
Shutter Speed: 1/160s
ISO Sensitivity: ISO 200