https://backpack.tf/item/9166601406

Sold for 90: https://backpack.tf/profiles/76561198207703545#!/compare/1601942400/1603152000

https://backpack.tf/item/8250756108

Unusable: https://backpack.tf/profiles/76561198000889832#!/compare/1601596800/1601856000

https://backpack.tf/item/7737604008

https://backpack.tf/profiles/76561197972404012#!/compare/1600560000/1600819200

Sold for Burning Flames Universal Translator : ~ 130k

https://backpack.tf/profiles/76561197972404012#!/compare/1603152000/1603238400

Sold for Burning Flames Universal Translator - 5 keys : ~ 125k

https://backpack.tf/item/7445784490

Sold for 95k

https://backpack.tf/profiles/76561198076205439#!/compare/1602633600/1602720000

https://backpack.tf/item/6863124934

Unusable: https://backpack.tf/profiles/76561198326619273#!/compare/1602288000/1602374400

https://backpack.tf/item/6838501153

No recent sales

https://backpack.tf/item/6837838433

No recent sales (marketplace)

https://backpack.tf/item/6772315388

No recent sales (marketplace)

https://backpack.tf/item/6763014741

Strange one

https://backpack.tf/item/6758980849

Sold for 100 pure

https://backpack.tf/profiles/76561198368868701#!/compare/1602374400/1602460800

90 (pure), 125/130, 95 (pure), 100 (pure)

Seller at 99, buyer at 84 at writting time on classifieds

Excluding the non pure deprecated sales: 90-100 keys