EVENT SUGGESTION!

Sale 1: https://backpack.tf/profiles/76561198255012868#!/compare/1496102400/1497830400 - Took 10 days to sell for 12 pure.

Sale 2: https://backpack.tf/profiles/76561198336306929#!/compare/1496966400/1497052800 - ?

Sale 3: https://backpack.tf/profiles/76561198071791227#!/compare/1497398400/1497571200 - Took 5 days to sell for 10 pure.

Sale 4: https://backpack.tf/profiles/76561198061275415#!/compare/1497571200/1497657600

Sold for a Clean Aces High Swagman's Swatter (13 keys)

Mini for the Swagman: https://backpack.tf/suggestion/59582006cf6c75674f63934c

Sale 5: https://backpack.tf/profiles/76561198061275415#!/compare/1497744000/1497830400

Sold for Collector's Pain Train (8 keys) + Haunted Freedom Feathers (2,1 keys) + Medimedes (4,5 keys)

8 + 2,1 + 4,5 = 14,6 (rounding to 15)

Mini for the Pain Train (i guess): https://backpack.tf/suggestion/5957a1c4cf6c756da636413f

Sales: 12, 13 and 15. http://i.imgur.com/pg2PgiF.png - Supports 12. 12-15 should work.