Item: https://backpack.tf/item/8161237466

Sale #1

https://backpack.tf/profiles/76561197964171516#!/compare/1600473600/1600560000

https://backpack.tf/profiles/76561198092304376#!/compare/1599264000/1600560000

Sold for 14 Keys

Can trace with ID: 9248591476

Sale #2

https://backpack.tf/profiles/76561198092304376#!/compare/1600560000/1601078400

https://backpack.tf/profiles/76561198826321740#!/compare/1601078400/1601164800

Sold 1:1 for Blizzardy Storm Greased Lightning

Buy orders were around 17 when the old suggestion was made

Sold for 17 Keys, considering the old buy orders

Sale #3

https://backpack.tf/profiles/76561198096078704#!/compare/1601078400/1601164800

https://backpack.tf/profiles/76561198826321740#!/compare/1601078400/1601164800

Untraceable

Sale #4

https://backpack.tf/profiles/76561198091740704#!/compare/1601424000/1602115200

https://backpack.tf/profiles/76561198096078704#!/compare/1601510400/1601596800

Bulk sale

Sale #5

https://backpack.tf/profiles/76561198418740133#!/compare/1602028800/1602115200

https://backpack.tf/profiles/76561198091740704#!/compare/1602115200/1602201600

Sold Vivid Plasma Voodoo JuJu(13 keys) + Strange Part: Buildings Destroyed (2.12 Keys) + Strange Harry (1.42 Keys) + Strange Festive Black Box (2.54 Keys) + 5 Keys + Strange Battalion's Backup (13.22 ref) + 18 ref = 24.73 Keys, rounding to 25 Keys for Vivid Plasma Chieftain's Challenge

Sold for 13 Keys, can trace with both ID's

Summary

Sales at

13 Keys

14 Keys

17 Keys

There's also a seller for 17 Keys

Conclusion

No change in price. Only sales found were sold for the same price.