Aliexpress
Click here… to search for Xiaomi Mijia Smooth 0.5mm Pen WIth 3Pcs Black Ink Refill [EU] on Aliexpress
Here are coupons that you can use.
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. China – Xiaomi Mijia Smooth 0.5mm Pen WIth 3Pcs Black Ink Refill (-3 USD)
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in Europe 
. Sorry, but there’s no price history in my database. One coupon is available. Cool!
Link: Banggood product page
Coupon (8.45 USD): 00c906
(CouponsFromChina.com tip: coupon code has to be applied in shop’s cart after clicking “Proceed to checkout”. Click to copy code and open shop)
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): MLPEN799, e2bcea, TTxBG10, ea5394, bgssaff9, AFfbG10, BGAFF10OFF, BGTT10, bGhOnEy10, BGdragonBoat, BGMS042, BGWE833, BgoFErTaSchInA10, BgcLuBofErtA10
(I don’t think these’re gonna work, but you can try ’em out anyway)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. China – Xiaomi Mijia Smooth 0.5mm Pen WIth 3Pcs Black Ink Refill (-3 USD)
Price history and price alert
Price history is not available for this item (not enough database records)! The lowest price was 7.99 USD though.
You can set price alert (for Banggood).