Aliexpress
Click here… to search for Yeston GTX 1050 2GB Graphics Card on Aliexpress
Here are coupons that you can use.
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
Coupon (118.16 USD): AFfbG10
Coupon (118.16 USD): affbg10
Coupon (118.16 USD): BGBFAFF2019
Coupon (118.16 USD): BGCITYADS2019
Coupon (122.10 USD): aff7off
(CouponsFromChina.com tip: paste coupon code in your cart and click Apply after clicking “Proceed to checkout”. Click to copy code and open shop)
Old coupons (from the oldest to the newest): e2bcea, TTxBG10, BGPAYPALSS
(these codes were not working in latest coupon update, but you can check them out anyway)
Price history and price alert
Here is price history (for all/most countries) for Yeston GTX 1050 2GB Graphics Card.
Price records source(s): Gearbest, Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).