no

Sale 1:

https://marketplace.tf/items/339;5;u8

Sold on marketplace.tf on the 21 February for 279.99

https://marketplace.tf/items/339;5;u8 Keys were around 1.92 that day

279.99/1.92= 145.8 rounding to 146

146 Keys

Sale 2:

https://backpack.tf/profiles/76561198108938632#!/compare/1523577600/1523750400

Sold for 119 Keys pure and 5 Keys in Sweets

119+5= 124

124 Keys

Sale 3:

https://backpack.tf/profiles/76561198071805624#!/compare/1523491200/1523836800

Bulk for Strange Burning Veil

Invalid

Sale 4:

https://backpack.tf/profiles/76561198071805624#!/compare/1522108800/1522195200

Taunts and some unpriced stuff, very inconsistent, excluding this here

Invalid

Sale 5:

https://backpack.tf/profiles/76561198151087213#!/compare/1521849600/1522108800

Sold for 100 Pure, took a week, not a quicksell

100 Keys

Sale 6:

https://backpack.tf/profiles/76561198151087213#!/compare/1521072000/1521244800

probably getting used there, excluding

Invalid

Sale 7:

https://backpack.tf/profiles/76561198208062409#!/compare/1519344000/1519430400

better used on the Dapper

Invalid

Sale 8:

https://backpack.tf/profiles/76561198109756155#!/compare/1517356800/1517443200

Sold for 74 Keys

Sold within 1 day, quicksell excluding

Invalid

Sale 9:

https://backpack.tf/profiles/76561198094819444#!/compare/1517184000/1517270400

bulky and outdated soon, excluding

Invalid

Sale 10:

https://backpack.tf/profiles/76561198174203179#!/compare/1523836800/1524268800

Sold with 20 Keys for a Burning Brigade Helmet, better used there

excluding

Invalid

Sale 11:

https://backpack.tf/profiles/76561198071805624#!/compare/1523836800/1523923200

bulk for Burning Mancer

Invalid

Sale 12:

https://backpack.tf/profiles/76561198074924284#!/compare/1519776000/1519862400

Sold for 136 Keys

136 Keys

Sale 13:

https://backpack.tf/profiles/76561198074924284#!/compare/1519516800/1519603200

https://backpack.tf/profiles/76561198074924284#!/compare/1519516800/1519603200

Sold with 20 Keys for a Spellbound Tyrants (130)

130-20= 110 Keys

110 Keys

Sales: 100, 110, 124, 136, 146

Going 110-145 due to mod's advice

https://backpack.tf/suggestion/5ae207eecf6c7523995fdddb#comment-5b0d6c8ccf6c7541312ad7c2