Just check coupons out (with price alert and history). Best price?
Optic: Standard TIR optics, Ingress rating: Equivalent to IPX7, XP-L HI 3D(NW 5000K) and XP-L HI 7A(WW 3300K) LED, Firmware: lume1 – FW3X Constant Current Buck-Boost & FET Driver with Anduril + RGB Aux, Emitter: Three LEDs on a copper DTP MCPCB e.g., XP-L HI 1A(CW 6500K), ~1600 lm (Nichia), Driver: FET+7+1 driver. Low parasitic drain while OFF, Switch: Electronic tail switch, Nichia 219C 4000K, Intensity: ~12 500 cd ANSI throw ~223 m (XP-L Hi), Battery: One flat-top or button-top 18650 cell. An unprotected cell is recommended., Flux: ~2800 lm (XP-L Hi), Weight: Approximately 53 g without cells, Lens: Glass with anti-reflective coating, Max. length 66 mm. Cell is not included., Size: 25.5 mm Ø headx 92.5 mm length., Body: Mokume/Damast
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in China. I found coupon for you. Check this out.
Link: Banggood product page
1. ($315.81): BG10OFFAFF1
just apply this code in your cart after clicking “Proceed to checkout”. Click to copy code and open shop)
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BGLMTB, BGFLS15, BGwhielabel, BGflashlight
(you can check these old coupons out, but these probably won’t work)
Price history and price alert
Do you need price history chart (for all/most countries) for LUMINTOP FW3A Mokume/Damast Flashlight? 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)).