Sale 1)

sold for haunted phantasm jr Employee of Mmmph

http://backpack.tf/profiles/76561198087195582?time=1429426800 (April 19th)

http://backpack.tf/profiles/76561198087195582?time=1429513200 (April 20th)

~28 keys

Mini on mmph:

Sold for burning stately steel toe

http://backpack.tf/profiles/76561198087195582?time=1427526000 (March 28th)

http://backpack.tf/profiles/76561198087195582?time=1427612400 (March 29th)

31*.9 = ~28 keys

Sale 2)

Sold + negligible sweets for haunted ghosts larrikin + bud

http://backpack.tf/profiles/76561198033974816?time=1428130800 (April 4th)

http://backpack.tf/profiles/76561198033974816?time=1428217200 (April 5th)

Buds were 8 keys

28*.9 + 8

~33 keys

Sale 3)

Seems to be too complex to use/ possible outlier

http://backpack.tf/profiles/76561198033974816?time=1428735600 (April 11th)

http://backpack.tf/profiles/76561198033974816?time=1428822000 (April 12th)

Taking 28-33 keys