I have checked all old coupons and price is $72.99 for 3D Fan Hologram Projector Wifi (in Banggood). Price history, coupons and price alert are available on this page. You probably want to know what is the best price?
3D Fan Hologram Projector Wifi Led 3D Display Advertising logo Light Remote Advertise Display Light Logo Lamp – EU Plug
Latest coupon and price update (UTC):
Banggood ($72.99)
Banggood warehouse is located in China. As you can see I didn’t find any active coupon for this product right now… Is it good price? Well, this price is higher than average price ($66.49)
Link: Banggood product page
Price: $72.99
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BGRA3DFHP, BG589b2e, BGAUGUST8, BGCAPITALOS8, BGCOUPERT8, BGCOUPERTBF8
(I don’t think these’re gonna work, but you can try ’em out anyway)
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Price history and price alert
Do you need price history chart (for all/most countries) for 3D Fan Hologram Projector Wifi? There we go.
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)).