Aliexpress
Click here… to search for Minleaf LW-305E DC Power Supply [EU] on Aliexpress
Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in Europe 
. Sorry, but there’s no price history in my database.
Link: Banggood product page
Coupon (69.99 USD): BGJDG6
Coupon (95.21 USD): 8BGwbg2204
Coupon (96.25 USD): 2203ActiesNL
(CouponsFromChina.com tip: apply code in your basket (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): BGML305, BgcLuBofErtA10, BG12956, BGCZ82, BGDE94, BG358fce, BG6fde54, BG9ba24d, BG1efeb0
(you can check these old coupons out, but these probably won’t work)
Price history and price alert
There is only one database record (it was for 54.99 USD), so you can’t see price history chart.
You can set price alert (for Banggood).