Take 2

2 years old price; excluding sales with scrap.tf or scammers.

Sale 1: Bulk; not useable

http://backpack.tf/profiles/76561198068702256#!/compare/1491782400/1492473600

Sale 2: Sold for about 24 keys on Marketplace --> 24 keys

https://marketplace.tf/items/135;5;u33

Sale 3: 18 keys pure

http://backpack.tf/profiles/76561198331913003#!/compare/1494201600/1494288000

Sale 4: Sold for Cloud 9 Noble Amassment of Hats (27)

http://backpack.tf/profiles/76561198060920300#!/compare/1489881600/1489968000

Sale 5 Sold for Massed Flies Kiss King

http://backpack.tf/profiles/76561198060920300#!/compare/1489968000/1490227200

Should be used to price the Kiss King because it has no other useable in-date sale

2x sellers at 19 and 2x at 24

http://i.imgur.com/fqnoJuO.png

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More sales all credits Marty Birdman

In the meantime, some additional sales:

http://backpack.tf/profiles/76561198002757046#!/compare/1489795200/1489881600 - Sold for 21 pure

http://backpack.tf/profiles/76561198019556015#!/compare/1487376000/1487462400 - Sold for 24 pure (2.5 months old, supportive)

http://backpack.tf/profiles/76561198107520045#!/compare/1488153600/1488240000 - Sold for 22 pure (2.5 months old, supportive)

Using the advised range from Mary Birdman at 21-27

Previous suggestion: http://backpack.tf/suggestion/59123131c440452e6b10c40d