This item is a traditional Japanese Chochin paper lantern, specifically featuring a "御祭禮" (Gosairei) calligraphy inscription. The text translates to "Honorable Festival" or "Sacred Festival Ritual", indicating it is a ceremonial item typically used during Shinto shrine festivals and summer celebrations (Matsuri) in Japan. The blue swirl pattern on the side represents a stylized water or Tomoe motif common in Shinto iconography.

(Light fixture, cord or light source not included, ie you will need your own hanging bulb fixture to affix this to if you want to implement the option in the images)