Aliexpress
Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China. I found coupon for you. Check this out.
Link: Banggood product page
Coupon (36.65 USD): BG589b2e
(CouponsFromChina.com tip: put item in your cart and apply coupon code there 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): BG105LL, BgcLuBofErtA10, BGLL146, BGAFF10OFF, 13f142, BGd0b05d, 00c906, BG00c906, ADMITAD2212, 2022ACTIESNL, Terence, Tabby20, 2203ActiesNL, BG1efeb0, BGJUNEGSG9, Cuponation9, BG8ReviTrage, BGcoupon8off, BGGutscheine, BG8OFFCOUPON, TTBLACK5
(probably won’t work, but you can try them out)
Price history and price alert
Do you need price history chart (for all/most countries) for RFID NFC Card Copier Reader Writer Duplicator? There we go.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).