Searing Plasma Eliminators Safeguard (20 Flat or 20 - 21)
https://backpack.tf/stats/Unusual/Eliminators%20Safeguard/Tradable/Craftable/15
Sellers: - https://snag.gy/sCLrNc.jpg
N/A

https://backpack.tf/profiles/76561198154414866#!/compare/1493942400/1494115200 - Sold for ~2 Keys
https://backpack.tf/profiles/76561198194893602#!/compare/1493942400/1494115200 - Sold for ~21 Keys (Non-quicksell)
B/O N/A

https://marketplace.tf/items/30369;5;u15 - Sold on the 6th April for $40 - Keys are ~$2.03 = 20 Keys

Sales we have are:
20 and 21