Aliexpress
Click here… to search for Desktop Stand Monitor Riser with 2xUSB2.0 and USB3.0 Ports [EU] on Aliexpress
Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in Europe 
. There are no active coupons for this product, but the price is pretty low isn’t it? I’m not sure about the price, coz I have only 1 record(s) in my database.
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): BG61ff92
(I don’t think these’re gonna work, but you can try ’em out anyway)
Price history and price alert
It doesn’t make sense to generate price history chart, because there is one price record which is: 19.99 USD.
You can set price alert (for Banggood).