Needs a drop.

Sale 1:

https://backpack.tf/profiles/76561198118965867#!/compare/1513814400/1513900800

Sold for a Strange Vivid Plasma Brain-Warming Wear, a Max's Head, and a Starstorm Slumber Nasty Norsemann.

Brain-Warming Wear Mini:

https://backpack.tf/profiles/76561198096044051#!/compare/1511654400/1512172800

17 keys.

Nasty Norsemann Mini:

https://backpack.tf/profiles/76561198372308135#!/compare/1514592000/1514678400

22 keys.

BoA = 17 + 19.68 + 22 = 58.68, rounding to 59.

Sale 2:

https://backpack.tf/profiles/76561198202168173#!/compare/1513555200/1513814400

Sold for a Circling TF Logo Tipped Lid and 15 keys.

Tipped Lid Mini:

https://backpack.tf/profiles/76561198202168173#!/compare/1510444800/1510963200

Sold with 5 keys and ~3 keys of sweets for a Burning Stout Shako.

Shako Micro:

https://backpack.tf/profiles/76561198040330756#!/compare/1512000000/1512172800

55 keys

Back to the Tipped Lid:

Lid + 5 + 3 = 55

Lid = 47

Back to the BoA:

BoA = 47 + 15 = 62

Sale 3:

https://backpack.tf/profiles/76561198096210931#!/compare/1513900800/1514246400

https://imgur.com/PlcaOJW - compare doesn't show 2 keys

BoA = 65 + 2 = 67, excluding since racks seem to be having trouble selling for 65

Sale 4:

https://backpack.tf/profiles/76561198096210931#!/compare/1514592000/1515024000

Sold for duped Purple Energy Noble Amassment of Hats

Noble Amassment of Hats Mini:

https://backpack.tf/profiles/76561198065957709#!/compare/1510444800/1510531200

https://backpack.tf/profiles/76561198114545227#t6348425623

Pretty sure this is a 1:1.

BoA = Noble = 59.5, rounding to 60.

Sale 5:

https://backpack.tf/profiles/76561198326093863#!/compare/1515369600/1515456000

Looks like 42, seems a little low

Sale 6:

https://backpack.tf/profiles/76561198066711282#!/compare/1515456000/1515542400

Sold for Time Warp Détective Noir + Strange Spec KS Festive Sniper Rifle + a key

Can't find a suitable mini for the Sniper Rifle so just using 8 keys. Call me out if this is wrong.

BoA = 60+8+1 = 69.

Conclusion: 59, 62, 67, 60, 42, 69. Excluding 42 and 67. Final range: 59-69.

So that's all the sales I could find. Feel free to correct me if I did anything wrong in the comments!

https://imgur.com/cns95Nm seller for 2 weeks at 55 supports