Sale 1:

Sold for $60 on Marketplace.tf

https://marketplace.tf/items/337;5;u6

Buyer: https://backpack.tf/profiles/76561198061162418#!/compare/1496102400/1496188800

https://backpack.tf/item/275741438

60/2.07 = 28.9

X = 29

Sale 2: (Dupe)

Sold for 25 keys + <0.5 keys in metal in 1+ month

Seller: https://backpack.tf/profiles/76561198344933095#!/compare/1495324800/1495411200

Buyer: https://backpack.tf/profiles/76561198065906371#!/compare/1495324800/1495756800

X = 25

Sale 3: (Dupe)

Sold for Cauldron Bubbles Grenadier’s Softcap (33)

http://www.tf2outpost.com/trade/29193709 - B/O of 32

Seller: https://backpack.tf/profiles/76561198065906371#!/compare/1496016000/1496188800

Buyer: https://backpack.tf/profiles/76561198107042866#!/compare/1495929600/1496016000

Grenadier’s price is based off of an unsold. Probably better to use this on the grenadier’s instead.

Sellers:

29 keys:

http://i.imgur.com/bQMjCvK.png - 2 days, duped

https://backpack.tf/u/76561198107042866

34 keys:

http://i.imgur.com/2kkG1zv.png - 6 days

https://backpack.tf/u/76561198076020691

$67.70 – Marketplace (Dupe)

https://marketplace.tf/items/337;5;u6

https://backpack.tf/item/280958495

Sales at:

25 (dupe)

29

There were several other clean sales, but none that I could trace.

25 is duped. Excluding 25.

Going with 29 flat.