Item 1: https://backpack.tf/item/4409536651

Sale 1:

https://backpack.tf/profiles/76561199026390261#!/compare/1766188800/1766275200

https://backpack.tf/profiles/76561198087265548#!/compare/1766102400/1766361600

Sold alongside 27.88 ref for 7 keys, rounds to 6.5 keys

Item 2: https://backpack.tf/item/4844124588

Sale 2:

https://backpack.tf/profiles/76561198062019586#!/compare/1765843200/1765929600

https://backpack.tf/profiles/76561198244962432#!/compare/1765843200/1765929600

Bulk for the double spelled Collector's Professional Killstreak Degreaser, buyer listed it on MPTF

Item 3: https://backpack.tf/item/5060781516

Listed on MPTF

Item 4: https://backpack.tf/item/5650665661

Listed on MPTF

Item 5: https://backpack.tf/item/12908043902

Sale 3:

https://backpack.tf/profiles/76561199564942025#!/compare/1766188800/1766275200

https://backpack.tf/profiles/76561199043401908#!/compare/1766188800/1766275200

6 keys and 23.55 ref, rounds to 6.5 keys

Sale 4:

https://backpack.tf/profiles/76561199043401908#!/compare/1766275200/1766361600

https://backpack.tf/profiles/76561199192607141#!/compare/1766275200/1766361600

Dumped to a bot for 6 keys 5 ref, ~6 keys. The bot owner listed it on Mannco.Store

Item 6: https://backpack.tf/item/15966923072

Listed on MPTF

Item 7: https://backpack.tf/item/16151114639

Mannco.store to Quciksell.Store, impossible to know who did it

Sales:

6, 6.5, 6.5

Sellers:

BPTF - https://imgur.com/V0idN9p 6 keys, 9 keys (2 months), 20 keys (6 months)

MPTF - https://marketplace.tf/items/tf2/30618;5;u3200 $17.99 (~9.5 keys)

STN - https://stntrading.eu/item/tf2/Unusual+Lost+Signal+Taunt%3A+Bucking+Bronco none

SCM - https://steamcommunity.com/market/listings/440/Unusual%20Taunt%3A%20Bucking%20Bronco?filter=Lost+Signal https://imgur.com/WCAEpZl none

Going with 6.5 keys since 6 was a buy order dump