Item 1: https://backpack.tf/item/9684481099

Sale 1:

https://backpack.tf/profiles/76561199026390261#!/compare/1783036800/1783123200

https://backpack.tf/profiles/76561199205636382#!/compare/1783036800/1783123200

Sold for 2 keys 1.11 ref (~2 keys)

Item 2: https://backpack.tf/item/7459519148

Sale 2:

https://backpack.tf/profiles/76561198066993011#!/compare/1780617600/1780963200

https://backpack.tf/profiles/76561198059382847#!/compare/1780444800/1780876800

Bulk

Sale 3:

https://backpack.tf/profiles/76561198059382847#!/compare/1780876800/1780963200

https://backpack.tf/profiles/76561198060189392#!/compare/1780876800/1780963200

Bulk/account transfer

Item 3: https://backpack.tf/item/4929659568

Sale 4:

https://backpack.tf/profiles/76561199346803498#!/compare/1779753600/1785974400

https://backpack.tf/profiles/76561199232193813#!/compare/1785974400/1785974400

Bulk

Item 4: https://backpack.tf/item/3870504104

Sale 5:

https://backpack.tf/profiles/76561198848132127#!/compare/1779840000/1784851200

https://backpack.tf/profiles/76561198267694601#!/compare/1779321600/1779840000

Untrace

Sale 6:

https://backpack.tf/profiles/76561198267694601#!/compare/1779840000/1779926400

https://backpack.tf/profiles/76561198316831771#!/compare/1779840000/1779926400

Dumped to a bot, untrace

Sales: 2

Sellers and buyers:

BPTF - https://imgur.com/DwFxTHE Seller at 3.81 keys, buyers up to 1.4 keys

MPTF - https://marketplace.tf/items/tf2/30614;5;u3056 Sellers at $5.11 (~2.7 keys)

STN - https://stntrading.eu/item/tf2/Unusual+Shimmering+Lights+Taunt%3A+Most+Wanted Buy order at ~1.8 keys

SCM - https://steamcommunity.com/market/listings/440/Unusual%20Taunt%3A%20Most%20Wanted?appid=440&q=Shimmering+Lights https://imgur.com/BOiN8cL Seller at 7.52€ (~3.75 keys), buyers up to 3.41€ (~1.7 keys)

Going with 2 keys flat