Sale 1:

Duped KaW Troublemaker's Tossle Cap (31 keys)

http://backpack.tf/profiles/76561198049959284#!/compare/1471132800/1471219200

Mini for Tossle cap:

Max's Head (23) + 8 keys pure

http://backpack.tf/profiles/76561198142191905#!/compare/1470441600/1470528000

Sale 2 :

40 keys pure + Strange Festive Jarate (0.75 keys), 41 keys total

http://backpack.tf/profiles/76561198142191905#!/compare/1471219200/1471478400

Sale 3:

Sold with 3 keys for Sunbeams Big Elfin Deal (45), 42 keys total

http://backpack.tf/profiles/76561198183681006#!/compare/1471564800/1471651200

B/O 45 keys pure http://www.tf2outpost.com/trade/28429691

Mini for Elfin Deal:

Sold for Stormy Storm Dr's Dapper Topper (45 keys) + 1 key in items, 46 keys total

http://backpack.tf/profiles/76561198203697487#!/compare/1471910400/1471996800

Sale 4:

Sold for Duped Circling TF Logo Noble Amassment of Hats (34 keys) + 1 key, 35 keys total

http://backpack.tf/profiles/76561198028311355#!/compare/1471651200/1471737600

Mini for Amassment of hats:

34 keys pure

http://backpack.tf/profiles/76561198030050182#!/compare/1470700800/1470787200

31 looks low, taking 35 - 42