Aliexpress
Click here… to search for 532nm Green Laser Pointer [EU] on Aliexpress
Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in Europe 
. I don’t know if this is a good price – number of records in my database is too low!
Link: Banggood product page
Coupon (9.89 USD): BGHONEY2110
Coupon (9.99 USD): 13f142
(CouponsFromChina.com tip: this code has to be applied 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): BGLP344, BGLP343, BGAFF10OFF, BGLPL343, BGEKD98
(I don’t think these’re gonna work, but you can try ’em out anyway)
Price history and price alert
Well, you won’t see price history chart, coz we have only 1 database record for this item (and price was 7.29 USD).
You can set price alert (for Banggood).