Sale 1: Bulk

http://backpack.tf/profiles/76561198175249965#!/compare/1493164800/1493251200

http://backpack.tf/profiles/76561198129366605#!/compare/1493164800/1493251200

Sale 2: Mullet + ~6 keys in items for Anti-Freeze Frenchman's Beret (45) --> 39 keys

http://backpack.tf/profiles/76561198106520426#!/compare/1492732800/1492819200

Sale 3: 37 keys pure (QS); not useable

http://backpack.tf/profiles/76561198267189538#!/compare/1489881600/1489968000

Sale 4: Sold together with Stormy Storm Fruit Shoot for Dead Presidents Pro KS. Brotherhood of Arms

http://backpack.tf/profiles/76561198129366605#!/compare/1493251200/1493337600

Mini Fruit: 14 keys (Sellers at 15; buyers at 13. Has no useable in-date sale)

Mini Pro KS DP Broterhood: Has no useable mini since it is Pro KS

B/O was 60 http://www.tf2outpost.com/trade/28881103

Sale 5: Sold together with ~4 keys in items for Tesla Coil Lil' Bitey

http://backpack.tf/profiles/76561198011321852#!/compare/1491609600/1491696000

http://backpack.tf/item/5211483976

Sale should be used to update the highly overpriced Lil Bitey (has multiple sellers around 42 and is priced outdated at 60).

Sale 6: Sold for Purple Energy Détective Noir (54) --> 54 keys

http://backpack.tf/profiles/76561198175054886#!/compare/1491264000/1491350400

Sale 7: Sold together with 11 keys for Scorching Flames Bloke's Bucket Hat (43.5) --> 33 keys; low and countered by buyers

http://backpack.tf/profiles/76561198058978877#!/compare/1490572800/1490659200

Thanks to Foamy for his feedback here and for checking sale 4 which is about ~45 keys. Foamy also said Bitey will be about ~45.

Sales at: 39, 45 54. multiple unsolds at 45 and higher http://i.imgur.com/WDzCoJv.png

Suggesting range from 39-45.