Sale 1:

Sold for 15 keys

Seller: https://backpack.tf/profiles/76561198002757046#!/compare/1541808000/1541894400

Buyer: https://backpack.tf/profiles/76561198190233828#!/compare/1541030400/1542067200

https://backpack.tf/item/6425849041

X = 15

Sale 2:

Sold for 15 keys

Seller: https://backpack.tf/profiles/76561198040615862#!/compare/1547078400/1547251200

Buyer: https://backpack.tf/profiles/76561198156184504#!/compare/1546819200/1547251200

https://backpack.tf/item/1286087520

X = 15

Sale 3:

Sold for 15 keys

Seller: https://backpack.tf/profiles/76561198014925037#!/compare/1546905600/1546992000

Buyer: https://backpack.tf/profiles/76561198082693589#!/compare/1546905600/1546992000

https://backpack.tf/item/1286087520

X = 15

Sale 4:

Untraceable

Seller: https://backpack.tf/profiles/76561198055202256#!/compare/1544313600/1544572800

Buyer: https://backpack.tf/profiles/76561198124794006#!/compare/1537142400/1545868800

https://backpack.tf/item/6425849041

Sale 5:

Untraceable, probably SCM

Seller: https://backpack.tf/profiles/76561198274056247#!/compare/1541289600/1548374400

Buyer: https://backpack.tf/profiles/76561198057259352#!/compare/1542758400/1543881600

https://backpack.tf/item/1760891223

Sale 6:

Untraceable

Seller: https://backpack.tf/profiles/76561198082693589#!/compare/1546992000/1547078400

Buyer: https://backpack.tf/profiles/76561198040615862#!/compare/1546992000/1547078400

https://backpack.tf/item/1286087520

Sale 7:

Sold for Purple Confetti Waxy Wayfinder

Seller: https://backpack.tf/profiles/76561198156184504#!/compare/1547337600/1547942400

Buyer: https://backpack.tf/profiles/76561198182077258#!/compare/1547856000/1547942400

https://backpack.tf/item/1286087520

Being used on the Wayfinder.

Sellers:

https://i.imgur.com/tKaKlAD.png

https://backpack.tf/item/873586210 - 16 keys

https://backpack.tf/item/1280961235 - 18 keys

https://backpack.tf/item/894737959 - 18 keys

Sales at:

15 (3x)

Going with 15 flat.