L’inspecteugh

Sale 1:

Sold for 40 keys + ~3 keys in items

No outpost

Seller: http://backpack.tf/profiles/76561198119164169#!/compare/1483401600/1483488000

Buyer: http://backpack.tf/profiles/76561198259000762#!/compare/1483401600/1483488000

X = 43

Sale 2:

Sold with ~1 key in items for Ancient Eldritch Smokey Sombrero (40)

No outpost

Seller: http://backpack.tf/profiles/76561198259000762#!/compare/1483488000/1483574400

Buyer: http://backpack.tf/profiles/76561198202391840#!/compare/1483488000/1483574400

X = 39

Sale 3:

Sold for Beams Nanobalaclava

http://www.tf2outpost.com/trade/28690519 - No B/O

Seller: http://backpack.tf/profiles/76561198137993702#!/compare/1483142400/1483315200

Buyer: http://backpack.tf/profiles/76561198144819017#!/compare/1483228800/1483315200

May be better to update the Nano with this sale.

Sellers:

40 keys:

http://i.imgur.com/C4SUrak.png

http://backpack.tf/u/76561198202391840

http://www.tf2outpost.com/trade/28759902, re-listed multiple times, original B/O was 50 - http://www.tf2outpost.com/trade/28699547

Sales at:

39

43

Going with 39-43