Coldfront sales:

https://backpack.tf/profiles/76561198322957656#!/compare/1620864000/1620950400 - Added 11 Keys for a Spec KS Aussie Rocket (~46 Keys at the time)

https://backpack.tf/profiles/76561197970562873#!/compare/1621296000/1621641600 - 35 Keys

Mohawk sales:

https://backpack.tf/profiles/76561198095022965#!/compare/1625702400/1625788800 - Bulk

https://backpack.tf/profiles/76561198322957656#!/compare/1621296000/1621382400 - Added 10 Keys for a Roboactive Private Eye (76.5 Keys)

https://backpack.tf/profiles/76561199001697559#!/compare/1621382400/1621468800 - Sunbeams Bone Dome (56 Keys) + 18 Keys

https://backpack.tf/profiles/76561198045343680#!/compare/1621468800/1621555200 - Blizzardy Mohawk + 30 Keys (fits in the range)

https://backpack.tf/profiles/76561198170054331#!/compare/1621555200/1621641600 - Better for the HWAH

https://backpack.tf/profiles/76561198115841780#!/compare/1621555200/1621641600 - 73 Keys

https://backpack.tf/profiles/76561198951078366#!/compare/1621728000/1621814400 - Added 3 Keys + ~1 Key of Items for a Cloudy Handle (high)

https://backpack.tf/profiles/76561198063640894#!/compare/1627430400/1627516800 - ?

67 to 74 would work for the Mohawk.

That gives a second sale at 105.5, which can be rounded to 106 Keys. 106 to 127 would work here (or 105 to 125 if you round).

Closing due to lack of response.