According to my DB the lowest price is 16.99 USD for 300x300mm Luminous Letter (in Banggood). It is from European warehouse! Just check coupons out (with price alert and history). Do you want to know what the best price is?
Latest price update (UTC time):
Banggood (16.99 USD)
Banggood warehouse is located in Europe 
. CouponsFromChina software could not find any coupon for this product in Banggood. Is it expensive? I can’t tell you if this price is good – not enough records in my database, so I won’t judge.
Link: Banggood product page
Price: 16.99 USD
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): BGccec78, BGLEDNOV2022, BG00c906, BG589b2e
(you can check these old coupons out, but these probably won’t work)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. China – 300x300mm Luminous Letter LED Light Box (19.39 USD)
Aliexpress
Click here… to search for 300x300mm Luminous Letter LED Light Box [EU] on Aliexpress
Here are coupons that you can use.
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: 13.54 USD.
You can set price alert (for Banggood).