Cheapest price for this yet I believe and you get a rather fancy piece of Graham and Brown Marvel Action Heroes Wallpaper Sample to boot. Happy Days!
You need to add the Nes Mini to your basket followed by the wallpaper sample and then apply code FS7U01Q21CVE to achieve the listed price above, happy days!
I'll link the guide below, and thank you to Chanchi32 for this heads up. A true credit to society.
Release date: 11 November 2016