Aliexpress
Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China. Too bad there’s no coupon right now in Banggood.
Link: Banggood product page
Price: -3 USD
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
Old coupons (from the oldest to the newest): BG63b556, BGf1d56a, BG1b92f4, BG7885df, BGe3eec7, BG914591, BG79e5e7, BGCCHU33, BGbd1316, 8BGwbg2204, BGc81dae, 8wEbgaInS5, pROMo8cuPoN, BG00c906, hoNEYbGdeAlS, BG21dd86, BGe0be6b, BG6964fb
(there’s a little possibility that old coupon will work)
Price history and price alert
Here is price history (for all/most countries) for Lenovo ThinkPlus TF102 C10 128GB MicroSD Card.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).