Sale 1

Sold for haunted phantasm jr brigade helm (32) and 2 keys = (32 * 0.9) + 2 = 31 keys

http://www.tf2outpost.com/trade/27175440 BO 30 keys

Seller before: http://backpack.tf/profiles/76561197964171516?time=1444114800 (October 6th)

Seller after: http://backpack.tf/profiles/76561197964171516?time=1444201200 (October 7th)

Compare link: http://backpack.tf/profiles/76561197964171516?time=1444201200&compare=1444114800

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Sale 2

Sold/offered with ~4 key sweets for specialized aussie knife (~24-27) and ~3.5 key sweets = (25.5 + 3.5) - 4 = 25 keys

Seller before: http://backpack.tf/profiles/76561198120172246?time=1442559600 (September 18th)

Seller after: http://backpack.tf/profiles/76561198120172246?time=1442646000 (September 19th)

Compare link: http://backpack.tf/profiles/76561198120172246?time=1442559600&compare=1442646000

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Sale 3

Duped sale for 33 keys

Seller before: http://backpack.tf/profiles/76561198124232520?time=1443078000 (September 24th)

Seller after: http://backpack.tf/profiles/76561198124232520?time=1443164400 (September 25th)

Compare link: http://backpack.tf/profiles/76561198124232520?time=1443078000&compare=1443164400

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Given the dupe sale for pure, sale 2 looks like an outlier. Feedback welcome