These stickers were created by Lamp x Paperi Brocante, who produces original stationery in Kyoto, Japan.
This sticker was originally made for the cover label of the "Postale sticker -Number-" package box, and has now been commercialized.
This is a product that only Lamp x Paperi Brocante can produce, as they are particular about their packaging.
For those who love numbers, this sticker is a must-have.

Sticker size: 7 x 3.3 cm
Number of stickers: 21 (all with the same design)
Packaged in a small envelope made of tracing paper material.