Sale 1:

Sold for $22.50 on Marketplace.tf

https://marketplace.tf/items/398;5;u35

https://backpack.tf/item/638728385

22.5/2.05 = ~11

X = 11

Sale 2:

Sold for 8 keys + 25 ref (~1)

No outpost

Seller: https://backpack.tf/profiles/76561198344933095#!/compare/1501718400/1501804800

Buyer: https://backpack.tf/profiles/76561198129017838#!/compare/1501804800/1501891200

X = 9

Sale 3:

Bulk for Blizzardy Sensei

Seller: https://backpack.tf/profiles/76561198267189538#!/compare/1501286400/1501372800

Buyer: https://backpack.tf/profiles/76561198184007138#!/compare/1501372800/1501459200

Sale 4:

Sold with ~2.5 keys in items for Blizzardy Storm Bloke’s Bucket Hat (12) + 1 ref

Seller: https://backpack.tf/profiles/76561198165711195#!/compare/1496966400/1497225600

Buyer: https://backpack.tf/profiles/76561198163432139#!/compare/1497139200/1497225600

Was used on the Bloke’s, can’t be used here.

Sales at:

9

11

No current sellers.

Going with 9-11.