Item 1: https://backpack.tf/item/12586109776

Listed on Mannco

Item 2: https://backpack.tf/item/10091916597

Sale 1:

https://backpack.tf/profiles/76561198165373557#!/compare/1770163200/1770249600

https://backpack.tf/profiles/76561198359390706#!/compare/1770163200/1770249600

60 keys + Midnight Frostfall Sinner's Shade (20) = 80 keys

Midnight Frostfall Sinner's Shade mini: https://backpack.tf/suggestion/699619a77070bbb0f10fdc79

Sale 2:

https://backpack.tf/profiles/76561198359390706#!/compare/1770422400/1770508800

https://backpack.tf/profiles/76561199161437984#!/compare/1770508800/1770595200

125 keys

Item 3: https://backpack.tf/item/8044117783

Sale 3: Mannco, excluding

Item 4: https://backpack.tf/item/8068598201

Listed on MPTF

Item 5: https://backpack.tf/item/7571186980

Sale 4:

https://backpack.tf/profiles/76561198067893369#!/compare/1768089600/1768348800

https://backpack.tf/profiles/76561198063640894#!/compare/1768262400/1768348800

Bulk for The Dark Doorway Patriot Peak then listed on MPTF

Item 6: https://backpack.tf/item/6937232439

Sale 5:

https://backpack.tf/profiles/76561198218969497#!/compare/1768003200/1768780800

https://backpack.tf/profiles/76561198085302830#!/compare/1768694400/1768780800

115 keys

Item 7: https://backpack.tf/item/6890234329

Sale 6:

https://backpack.tf/profiles/76561198802638520#!/compare/1764288000/1764374400

https://backpack.tf/profiles/76561199018207670#!/compare/1764374400/1764460800

Untrace

Sale 7:

https://backpack.tf/profiles/76561199018207670#!/compare/1767052800/1767225600

https://backpack.tf/profiles/76561198976265331#!/compare/1767139200/1767312000

I'd like to think 110 but the histories don't seem to line up, untrace

Sale 8:

https://backpack.tf/profiles/76561198976265331#!/compare/1768089600/1768262400

https://backpack.tf/profiles/76561198062747535#!/compare/1768089600/1768176000

Bot dump, untrace

Sale 9:

https://backpack.tf/profiles/76561198062747535#!/compare/1768694400/1768780800

https://backpack.tf/profiles/76561198137401950#!/compare/1768694400/1768780800

109 keys

Item 8: https://backpack.tf/item/4613789692

Listed on Mannco

Item 9: https://backpack.tf/item/4465438722

Sale 10:

https://backpack.tf/profiles/76561198179635035#!/compare/1767484800/1767571200

https://backpack.tf/profiles/76561198018280091#!/compare/1767398400/1767657600

Potentially 115 keys but once again the histories don't line up

Item 10: https://backpack.tf/item/4285991133

Sale 11:

https://backpack.tf/profiles/76561198098377880#!/compare/1769299200/1769472000

https://backpack.tf/profiles/76561198244962432#!/compare/1769385600/1769472000

Bulk for the Burning Flames Hottie's Hoodie

MPTF: https://marketplace.tf/items/tf2/30662;5;u99

Sale 12:

Sold for $219.99 on December 6 2025

Keys were $1.8 https://marketplace.tf/items/tf2/5021;6

219.99/1.8=122.22 ~122 keys

Sales:

80, 109, (110?), 115, (115?), 122, 125

Sellers:

BPTF - https://imgur.com/yz8beYg https://imgur.com/Lg5uyiA 125 keys and up, buyers are at ~98

MPTF - https://marketplace.tf/items/tf2/30662;5;u99 $225 (~118 keys), $239.99 (126 keys)

STN - https://stntrading.eu/item/tf2/Unusual+Nebula+A+Head+Full+of+Hot+Air none, buy order at ~98

SCM - https://steamcommunity.com/market/listings/440/Unusual%20A%20Head%20Full%20of%20Hot%20Air?filter=Nebula https://imgur.com/Ls0Zi8R None

80 is definitely a low outlier here given there are plenty of higher buyers. One seller isn't enough to counter 2 sales so sticking with 109-125 keys

Crap, just realised I made a mistake. Sale 2 was 120 keys, not 125