classies: https://gyazo.com/0bcccc35b4c582e8ff8581f2cf34e176

marketplace.tf: https://gyazo.com/b1eecb586f17a21aa7e3f311600a8b6e

Sale 1:

https://backpack.tf/profiles/76561198118141692#!/compare/1524096000/1524182400

Sold with 12 Keys for a It's a mystery to everyone Prehistoric Pullover (102.5)

B/O of 80: https://gyazo.com/dec993848706be682aa07ee70878f74f creds JoXu

80 Keys

Sale 2:

https://backpack.tf/profiles/76561198231082180#!/compare/1523750400/1523836800

Sold for a Haunted Ghost Cold Snap Cap (66) and 2 Keys

66+2= 68

68 Keys

Sale 3:

https://backpack.tf/profiles/76561198142721484#!/compare/1523404800/1523664000

Sold for a Flies Well Rounded Rifleman (suggestion up for 67) and 10 keys

67+10= 77 Keys

78 Keys

Sale 4:

https://backpack.tf/profiles/76561198160856661#!/compare/1522368000/1522454400

Sold with some stuff for a Nuts and Bolts War Eagle

better used there since it is unpriced

Invalid

Sale 5:

https://backpack.tf/profiles/76561198336395929#!/compare/1521590400/1521763200

Sold for a Circling Peace Sign Salty Dog

better used there since it is 2 years outdated

Invalid

Sale 6:

https://backpack.tf/profiles/76561198069559160#!/compare/1524096000/1524182400

Sold for a Scorching Flames Sky High Fly Guy

better used there

Invalid

Sale 7:

https://backpack.tf/profiles/76561198030343929#!/compare/1521936000/1522022400

https://backpack.tf/profiles/76561198299107197#!/compare/1521936000/1522022400

compares are weird here, better exclude them

Invalid

Sales: 68, 77, 80

Rounding 68 to 70 and going with 70-80