2 years old price, needs an update.

Sale 1:

http://www.tf2outpost.com/trade/28803646

http://backpack.tf/profiles/76561198280625600#!/compare/1489017600/1489104000

Sold for 13 keys pure.

Sale 2 (not using, because it's a quicksell):

http://backpack.tf/profiles/76561198271486581#!/compare/1489017600/1489104000

Mini for the Kill-A-Watt L'Homme Burglerre (but not really needed, since the sale of Gentleman's Ushanka happened in less than 12 hours):

http://www.tf2outpost.com/trade/28823473#latest

http://backpack.tf/profiles/76561198108214345#!/compare/1489968000/1490140800

Sold for a Kill-A-Watt L'Homme Burglerre and 3.5 keys in items (rounding to 4)

Sale 3:

http://backpack.tf/profiles/76561198271486581#!/compare/1489708800/1489795200

Sold for a Power Surge Firewall Helmet, but ~4.1 keys in items were added for it (rounding 4.1 to 4).

Mini for the Power Surge Firewall Helmet:

http://backpack.tf/profiles/76561198271486581#!/compare/1489795200/1489968000

Sold for a Stormy Storm Noble Nickel Amassment Of Hats, but ~7 keys in items were added for it.

Mini for the Noble Nickel Amassment Of Hats:

http://backpack.tf/profiles/76561198271486581#!/compare/1490054400/1490140800

Sold for a Miami Nights Das Gutenkutteharen, but 1 key in items was added for it.

Miami Nights Das Gutenkutteharen is priced at 30.5 (rounding to 31) - 1 = 30

30 - 7 = 23

23 - 4 = 19

Going for 13-19 keys.

Any counter-proof or help would be appreciated.