Plenty of sales, limiting to last 2 months

Bot.tf sales:

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

Bought:

64 keys + 6 ref

65 keys (2x)

66 keys

Sold:

77 keys

78 keys

Couldn’t find any of these sales. All fit into the range anyways.

Marketplace.tf sales:

https://marketplace.tf/items/30662;5;u99

$167.99

$120

167.99/1.99 = ~84

120/1.97 = 60.9

Regular sales:

Sale 1:

Sold for Tesla Coil Law (137.5)

No outpost

Seller: https://backpack.tf/profiles/76561198073618741#!/compare/1519689600/1519776000

Buyer: https://backpack.tf/profiles/76561198226262240#!/compare/1519689600/1519776000

X = 138

Sale 2:

Sold for Cloudy Moon Sergeant’s Drill Hat (120) + other items

http://www.tf2outpost.com/trade/29553603 - B/O of 80

Seller: https://backpack.tf/profiles/76561198365923475#!/compare/1518998400/1519084800

Buyer: https://backpack.tf/profiles/76561198069525614#!/compare/1518912000/1519084800

X = 80 (Capped by B/O)

Sale 3:

Sold for 80 keys

Seller: https://backpack.tf/profiles/76561198086948995#!/compare/1520553600/1520640000

Buyer: https://backpack.tf/profiles/76561198351299890#!/compare/1520553600/1520640000

X = 80

Sale 4:

Sold for 80 keys

Seller: https://backpack.tf/profiles/76561198018333134#!/compare/1521417600/1521676800

Buyer: https://backpack.tf/profiles/76561198178088350#!/compare/1521590400/1521676800

X = 80

Sale 5:

Sold for 78 keys

Seller: https://backpack.tf/profiles/76561198025291123#!/compare/1521244800/1521331200

Buyer: https://backpack.tf/profiles/76561198118355049#!/compare/1520812800/1521331200

X = 78

Sale 6:

Sold for 77 keys

Seller: https://backpack.tf/profiles/76561198074924284#!/compare/1518134400/1518220800

Buyer: https://backpack.tf/profiles/76561198365923475#!/compare/1518048000/1518220800

X = 77

Sale 7:

Sold for 75 keys

Seller: https://backpack.tf/profiles/76561198077959348#!/compare/1518912000/1518998400

Buyer: https://backpack.tf/profiles/76561198134300479#!/compare/1518998400/1519171200

X = 75

Sale 8:

Sold for 70 keys

Seller: https://backpack.tf/profiles/76561198234128068#!/compare/1521072000/1521158400

Buyer: https://backpack.tf/profiles/76561198025291123#!/compare/1521072000/1521158400

X = 70

Sale 9:

Sold for 68 keys

Seller: https://backpack.tf/profiles/76561198178088350#!/compare/1522195200/1522627200

Buyer: https://backpack.tf/profiles/76561198025291123#!/compare/1522540800/1522627200

X = 68

Sale 10:

Sold for Strange Pro. KS Festive Wrench (10) + Spec. KS Aussie Flamethrower (18) + DBD Guadalajara + Bubble Baker Boy + 16 keys

http://www.tf2outpost.com/trade/29598753 - Deleted B/O

Seller: https://backpack.tf/profiles/76561198108608612#!/compare/1521849600/1521936000

Buyer: https://backpack.tf/profiles/76561198115381172#!/compare/1521936000/1522022400

Should fit into the range pretty easily.

Sale 11:

Sold with cheap item for Green Confetti Brotherhood of Arms

Seller: https://backpack.tf/profiles/76561198400344384#!/compare/1519516800/1519603200

Buyer: https://backpack.tf/profiles/76561198073618741#!/compare/1519344000/1519516800

Better off being used on the BOA

Sellers:

75 keys:

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

https://backpack.tf/item/4249701491

80 keys:

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

https://backpack.tf/item/4233570353

Sales at:

61

68

70

75

77 (2x)

78 (2x)

80 (3x)

84

138

https://i.imgur.com/lPjpu3Y.png - quickbuyer at 62, excluding 61.

138 is a phat outlier, excluding 138.

Ignoring the bot quickbuys.

Going with 68-84.