#Squad-1, ~Zeckatz.

Sale 1: Low.

https://backpack.tf/profiles/76561198109611180#!/compare/1555372800/1555545600

https://backpack.tf/profiles/76561198240683630#!/compare/1555027200/1555372800

Sale 2: Untrace.

https://backpack.tf/profiles/76561198240683630#!/compare/1555372800/1555891200

https://backpack.tf/profiles/76561198043924535#!/compare/1555286400/1555545600

Sale 3: Use There.

Sold For Dead Presidents Fortunate Son.

https://backpack.tf/profiles/76561198043924535#!/compare/1555632000/1555718400

https://backpack.tf/profiles/76561198278215661#!/compare/1555632000/1555718400

Sale 4: More Like A QS.

https://backpack.tf/profiles/76561198278215661#!/compare/1555891200/1555977600

https://backpack.tf/profiles/76561198334414559#!/compare/1555804800/1555977600

Sale 5: 17k

Sold For Miami Nights Flipped Trilby.

https://backpack.tf/profiles/76561198334414559#!/compare/1556236800/1556323200

https://backpack.tf/profiles/76561198080179568#!/compare/1556236800/1556323200

https://backpack.tf/suggestion/5cdad0856780723c6427615b

Sale 6: ~19 Keys Pure.

https://backpack.tf/profiles/76561198303886984#!/compare/1554336000/1554422400

https://backpack.tf/profiles/76561198055847835#!/compare/1554249600/1554422400

Sale 7: Bulk For C9 Salty.

https://backpack.tf/profiles/76561198284875464#!/compare/1556409600/1556496000

https://backpack.tf/profiles/76561198125501738#!/compare/1556323200/1556496000

Sale 8: Untrace.

https://backpack.tf/profiles/76561198022589417#!/compare/1551571200/1551657600

https://backpack.tf/profiles/76561198043974838#!/compare/1551571200/1551657600

Sale 9: Untrace.

https://backpack.tf/profiles/76561198043974838#!/compare/1551657600/1551744000

https://backpack.tf/profiles/76561198002757046#!/compare/1551571200/1551657600

Sale 10: ~18 Keys Pure.

https://backpack.tf/profiles/76561198002757046#!/compare/1551571200/1551744000

https://backpack.tf/profiles/76561198309832044#!/compare/1551484800/1551657600

Sale 11: Untrace.

https://backpack.tf/profiles/76561198309832044#!/compare/1551657600/1551744000

https://backpack.tf/profiles/76561198209129735#!/compare/1553472000/1553472000

Marketplace.tf Sales:

https://marketplace.tf/items/984;5;u59

Sale 12: ~28 Keys.

Apr 17

$49.99 / $1.78 = 28.08 keys

Sales: 17/18/19/28

Going With 18-19 Keys.