Go down and check coupons out. Remember to check price history if it is available. You probably want to know what is the best price?
20g(White pen) Writing length: ≥ 400 m Write diameter: 0.5 mm Pen Color: Golden, Material of pen clip: Zinc alloy (Metal pen) Material of pen tube: Aluminum alloy (Metal pen) Material of pen: PC + ABS Size: 140X9.5mm Net Weight: 26 g(metal pen)
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China. I’m afraid that there’s no working coupon in Banggood.
Link: Banggood product page
Price: $-3
It looks like this item is out of stock in Banggood. If you found it then please send me the link. I will replace it.
Click here to search on Banggood!
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
There were country-specific coupon codes published on Couponsfromchina social channels and price alerts. Coupon price may vary by country, because there’re different VAT rates, shipping cost etc. There is a chance that some latest coupons are still working:
Old coupons (from the oldest to the newest): e2bcea, 502C6B, 7f09ac, a0b162, 2019SPEDM, BG3CSUM, AFfbG10, BGQX670, BGAFF10OFF, bGhOnEy10, BGQXZ670, BGdragonBoat, BGMJ670, BgoFErTaSchInA10, BgcLuBofErtA10, BGCuponation10, 13f142, BGHONEY2110, BGLYW54, BANGGOODSD, 6GSGIT, 00c906, BGcc3f91, BG00c906, ADMITAD2212, 2022ACTIESNL, BGc2a554, Terence, Tabby20, 2203ActiesNL, 8BGwbg2204, 8wEbgaInS5, pROMo8cuPoN, BGJUNEGSG9, BGe6782b, TTSUMMER8, Cuponation9, 9OFFSUMMER, BG589b2e
(you can check these old coupons out, but these probably won’t work)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – Xiaomi Mijia 0.5mm Signing Pen Gold [EU] ($-3)
Price history and price alert
Do you need price history chart (for all/most countries) for Xiaomi Mijia 0.5mm Signing Pen Gold? There we go.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood and Aliexpress (only if product name will be the same as on Banggood and I will post it on social media though, so it’s more like Banggood price alert)).