I actually really like this hat.

Since you wanted it to be this way, here goes...

Sale #1:

1:1 for a Tesla Coil Human Cannonball: https://backpack.tf/profiles/76561198044394362#!/compare/1541894400/1541980800

Mini: https://backpack.tf/suggestion/5c08929dcf6c756dca20b525 28 keys.

Sale #2:

Sold for a Tesla Coil Nasty Norsemann + 1 key: https://backpack.tf/profiles/76561198012472736#!/compare/1543795200/1543881600

Norsemann in-date at 26.5:

26.5 + 1 = 27.5, rounding up for neatness = 28

Sale #3:

Sold w/ 1 keys for a Starstorm Insomnia Human Cannonball (33): https://backpack.tf/profiles/76561198130718063#!/compare/1540771200/1542153600 -> 33-1=32 keys

Mini for the SIHC: https://backpack.tf/profiles/76561198074183685#!/compare/1542067200/1542585600

Sold for Starstorm Slumber Cranial Carcharodon (18) + ~15 keys in adds -> 18+15=33 keys

Mini for the SSCC: https://marketplace.tf/items/30800;5;u110 two cash sales for $31 and $36.9, keys were 1.79 and 1.7 respectively: ~17k, ~22k, current fresh sellers for 15.5-19, supporting current range, taking 17.5 keys as per current price, rounding to 18 keys for neatness.

Sale #4:

Sold for Circling TF Logo Burning Question + 3 keys: https://backpack.tf/profiles/76561198390575148#!/compare/1540166400/1542067200

Better used on burning question.

Cash sales:

https://marketplace.tf/items/30915;5;u58

$60, $30, $30: keys were $1.88, $1.78, $1.74 respectively:

32k, 17k, 17k.

All sales:

32, 32, 28, 28, 17, 17.

17 keys sales can be considered quickbuys since they were put on the market immediately.

Histories match:

https://backpack.tf/item/6792356688 marketplace.tf sale for $30 on 23rd of October.

https://backpack.tf/item/6977657494 marketplace.tf sale for $30 on 16th of November.

They also support current buy order on marketplace.tf.

Taking 28-32.

I've been wearing these pants for three days.