2 years old! Time to clean up! -Updated due to flaws in proof (b/o of sale 1 was 15 keys)

Sale 1:

http://backpack.tf/profiles/76561198057671085#!/compare/1487808000/1487894400 (Power Surge Bloke's Bucket Hat = 16 keys)

Power Surge Bloke's Bucket Hat sold for: Sale 1:

http://backpack.tf/profiles/76561198057671085#!/compare/1488499200/1488585600 (16 keys pure)

I also recieved with Power Surge Bloke's Bucket Hat:

http://imgur.com/a/BRA5c (1 key pure + Rancho relaxo (0.58 keys) = 1.58 keys)

Sale of Rancho relaxo:

http://imgur.com/a/gWLBK (16.22 refined = 0.58 keys at the time)

Power Surge Bloke's Bucket Hat (16 keys) + Rancho + key = 17.58 Keys ≈ 18 keys (rounding up)

http://www.tf2outpost.com/trade/28792732 (B/o was 15 keys, keeping at 15 keys)

Sale 2:

http://backpack.tf/profiles/76561198206072125#!/compare/1488067200/1488153600 (Killstreak Aussie Minigun ≈ 16 keys pure)

Sales:

15

16

Going for 15-16 keys price range.

Note: Evidence, counter evidence and feedback is appreciated!