According to my DB the lowest price is 79.11 USD for R2 Mechanical (in Banggood). Basically copy coupon, view price history or create e-mail price alert. You probably want to know what is the best price?
Latest coupon and price update (UTC):
Banggood (79.11 USD)
Banggood warehouse is located in China. You probably want to know if this is a good price. Maybe there’re no more promotions for this item, because current price is higher than average (which is equal 62.88 USD) You can get coupon down below.
Link: Banggood product page
Price without coupon: 85.99 USD
Coupon (79.11 USD): BGHONEYSP
(CouponsFromChina.com tip: apply it in your 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): BANGGOODSD, BGRiccardo, BGraton, Cityads2213, BGakko61s, BGc0ac93, BG070faf, BG0866e1, BG9e8925, Cuponation9, BGKBandmos12, BGff5312, BG7a179b, BG3dd49f, BG94890b, BG1367a1, BGcf924d, BG7967d6, BG589b2e, BGddd18a, BG03d12b, BG6bb612, BG975111, BG6ef9b6
(these coupons are old, so probably won’t work)
Aliexpress
Click here… to search for AKKO 3061S Tokyo R2 Mechanical Keyboard 61 Keys on Aliexpress
Here are coupons that you can use.
Price history and price alert
Here is price history (for all/most countries) for AKKO 3061S Tokyo R2 Mechanical Keyboard 61 Keys.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).