White Lightning Highway Star

Sale 1: ~14 Keys.

https://backpack.tf/profiles/76561198093585253#!/compare/1553817600/1553904000
https://backpack.tf/profiles/76561198341171690#!/compare/1553731200/1553817600

Sale 2: ~18 Keys.
Sold For Terror-Watt A Hat to Kill For. (18)

https://backpack.tf/profiles/76561198341171690#!/compare/1555545600/1555632000
https://backpack.tf/profiles/76561198376856802#!/compare/1555027200/1555545600

Sale 3: ~14 Keys Pure.

https://backpack.tf/profiles/76561198376856802#!/compare/1556236800/1556323200
https://backpack.tf/profiles/76561198810090238#!/compare/1555286400/1556668800

Sale 4: ~21 Keys Pure.

https://backpack.tf/profiles/76561198113899098#!/compare/1549411200/1549497600
https://backpack.tf/profiles/76561198073991630#!/compare/1549411200/1549497600

Sale 5: Untrace.

https://backpack.tf/profiles/76561198337734785#!/compare/1550880000/1550966400
https://backpack.tf/profiles/76561198435006502#!/compare/1550793600/1550966400

Sale 6: ~16 Keys.
sold with a Festive Rocket Launcher (10) for a Phos Counterfeit (26)
26-10=16

https://backpack.tf/profiles/76561198435006502#!/compare/1552262400/1552348800
https://backpack.tf/profiles/76561198045607732#!/compare/1552262400/1552348800

Sale 7: ~15 Keys.
Sold For Steaming Napoleon Complex. (15)

https://backpack.tf/profiles/76561198045607732#!/compare/1552348800/1552435200
https://backpack.tf/profiles/76561198187093225#!/compare/1552348800/1552435200

Sale 8: ????

https://backpack.tf/profiles/76561198187093225#!/compare/1553817600/1553904000
https://backpack.tf/profiles/76561198859358570#!/compare/1553990400/1554768000
https://backpack.tf/profiles/76561198859358570#!/compare/1553472000/1553990400
https://backpack.tf/profiles/76561198107192699#!/compare/1553904000/1553990400

Sale 9: Untrace.

https://backpack.tf/profiles/76561198184033041#!/compare/1554076800/1554595200
https://backpack.tf/profiles/76561198341171690#!/compare/1554076800/1554163200