Aliexpress
Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in Europe 
. I don’t really know if this price is reasonable, coz there’s no price history in my DB. There is one great coupon!
Link: Banggood product page
Coupon (52.63 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): BGa98976, BGb48356, BGPHOOL8, BGHPT15, BGGines
(there’s a little possibility that old coupon will work)
Price history and price alert
It doesn’t make sense to generate price history chart, because there is one price record which is: 39.19 USD.
You can set price alert (for Banggood).