End of this chain

Sale #1:

Sold with 31 keys for a duped 13th Fed Fedora (59)

59 * 0.9 - 31 = 22.1 keys rounding to 22 keys

Outlier, not using, way low

http://backpack.tf/profiles/76561198021013907?time=1429866763

http://backpack.tf/profiles/76561198021013907?time=1429945200

Sale #2:

Sold with ~10 keys items for a Harvest Bonk Helm (72)

72 * 0.9 - 10 = 54.8 keys rounding to 55 keys

http://backpack.tf/profiles/76561198042399825?time=1430550000

http://backpack.tf/profiles/76561198042399825?time=1430722800

Sale #3:

Sold with 9 keys for a Showstopper Schadenfreude (69)

69 * 0.9 - 9 = 53.1 keys rounding to 53 keys

http://backpack.tf/profiles/76561198053134374?time=1431178403

http://backpack.tf/profiles/76561198053134374?time=1431241200

Fed mini:

Sold with a OF Ballcap (21) for a Frost Ballcap (80)

80 - 21 = 59 keys

http://backpack.tf/profiles/76561198065879305?time=1426748400

http://backpack.tf/profiles/76561198065879305?time=1426834800