Aliexpress
Click here… to search for LA03-5500 5500mW 445nm Blue Laser Module w/ Heat Sink [EU] on Aliexpress
Here are coupons that you can use.
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in Europe 
. I don’t want to misguide you about the price. I don’t know if it’s good, because I don’t have enough records in my database… One coupon is available. Cool!
Link: Banggood product page
Coupon (178.59 USD): BG589b2e
(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): BG92afd8
(you can check these old coupons out, but these probably won’t work)
Price history and price alert
It’s a new item in our database, so I can’t create price history chart. We have saved this price in database: 99.99 USD.
You can set price alert (for Banggood).