Type IGZO IPS LCD capacitive touchscreen, Aspect Ratio 18: 9, Pixel Density 402 ppi, Built-in, GPU Qualcomm Adreno 508, Non-removable Li-Ion, Display Size 6.0 Inch FHD+ Notch Screen 92.9 cm2 (~84.5% Screen-to-body ratio), ROM 4GB, 3200mAh battery, CPU Snapdragon 630 Octa Core 2.2GHz Cortex-A53, OS Android 8.0, 16M colors, RAM 64GB, Resolution 2160*1080 pixels.
Just check coupons out (with price alert and history). Let’s see what best price is ATM.
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
Click here to search by yourself. Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in Hong Kong. One coupon is available. Cool!
Link: Banggood product page
1. ($162.99): Email5
put item in your cart and apply coupon code there after clicking “Proceed to checkout”. Click to copy code and open shop.
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): 41BGS3, plfonall
(probably won’t work, but you can try them out)
Price history and price alert
Check out price history chart (for all/most countries) for SHARP AQUOS S3 4/64GB Global Black. The lowest price was: $124.99.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood and Aliexpress (only if product name will be the same as on Banggood and I will post it on social media though, so it’s more like Banggood price alert)).