It is a gift from Chanel counter, not a retail item. Gift in 2022
The purchase of Chanel on official websites in different countries will accumulate Chanel points, and each country will launch some points to exchange for gifts. When the points are collected to a certain extent, they can be exchanged for gifts, and then the authentic gift can be collected at the counter. Sometimes when the payment amount for goods purchased at the counter reaches the specified amount, the counter staff will add some not for sale cosmetic bags or notebook.
This is the notebook for point exchange page on official website at that time