Sale 1:

Sold for Silver Cyclone Oblooterated (22) + Massed Flies Buckaroo’s Hat (9.5)

http://www.tf2outpost.com/trade/29185682 - No B/O

Seller: http://backpack.tf/profiles/76561198084205929#!/compare/1495065600/1495152000

Buyer: http://backpack.tf/profiles/76561198211822291#!/compare/1494806400/1495152000

X = 32

Sale 2:

Sold for Peace Sign Tossle Cap (27.5) + 3 keys + <0.5 keys in items

http://www.tf2outpost.com/trade/28834774 - B/O of 26

Seller: http://backpack.tf/profiles/76561198073472840#!/compare/1489708800/1489795200

Buyer: http://backpack.tf/profiles/76561198153192378#!/compare/1489536000/1489795200

X = 26 (Capped by B/O)

Sale 3:

Sold for 24 keys

No outpost

Seller: http://backpack.tf/profiles/76561198153192378#!/compare/1490572800/1490659200

Buyer: http://backpack.tf/profiles/76561198237492194#!/compare/1490486400/1490659200

X = 24

Sale 4:

Bulk for Infernal Flames Schadenfreude

Seller: http://backpack.tf/profiles/76561198100088849#!/compare/1491091200/1491177600

Buyer: http://backpack.tf/profiles/76561198131277878#!/compare/1491091200/1491177600

Sale 5:

Bulk for Insomnia HKC

Seller: http://backpack.tf/profiles/76561198026601680#!/compare/1494460800/1494633600

Buyer: http://backpack.tf/profiles/76561198100701298#!/compare/1494547200/1494633600

Sale 6:

Bulk for Tesla Coil Tipped Lid

Seller: http://backpack.tf/profiles/76561198100701298#!/compare/1494547200/1494633600

Buyer: http://backpack.tf/profiles/76561198084205929#!/compare/1494547200/1494633600

From the last suggestion:

http://backpack.tf/suggestion/5919f6d8e3387773c96fa548

Sale 1 (23 pure) sold to a quickbuying bot.

No idea what the bot re-sold for, but it took a while, and looks like it’ll end up in the range anyways:

https://prnt.sc/f86hp0 - Credit to Sin

Seller: http://backpack.tf/profiles/76561198337734785#!/compare/1494806400/1494892800

Buyer: http://backpack.tf/profiles/76561198060677929#!/compare/1494806400/1494892800

Sellers:

30 keys:

http://i.imgur.com/LxB2Mao.png - 3 months

http://backpack.tf/u/76561198027694776

http://www.tf2outpost.com/trade/28871343

34 keys:

http://i.imgur.com/Spw4Sct.png - 4 days

http://backpack.tf/u/76561198179707937

Sales at:

24

26

32

3 month old seller at 30 shows that 32 is too high. Excluding 32.

Going with 24-26.