Aliexpress
Click here… to search for LD 64GB MicroSDXC on Aliexpress
Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China. There is one great coupon!
Link: Banggood product page
Coupon (29.76 USD): BANGGOODSD
(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): 502C6B, TTxBG10, aff7off, BG3CSUM, AFfbG10, 0e7f33, FBCOUPON1, BGAFF10OFF, BGCuponation10, 13f142, BGHONEY2110
(there’s a little possibility that old coupon will work)
Price history and price alert
Do you need price history chart (for all/most countries) for LD 64GB MicroSDXC? There we go.
Price records source(s): Gearbest, Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).