M̷̡̹̝̦̜̖͠y̷̳̲̺͓̙̱͓͇̟͌̊̀̌͋͗̒̈́́̕ ̵̰͈̑̋̓̄͑̍͠͠͠ç̷̜̱̟͌̀̔̕ȯ̸̙͖̩͙͈͈̩͘l̴̨̛͍̹̥̠̏̑͌̉͗́ͅͅl̴͉̯͋͊͜ë̶̢͕̳͎̣̟͌̇͒̕ĉ̵͈̈̈́́̕t̶͙͎̖͓̫̪̳͘͝i̵̻͐o̴̱̯͇̔̍͐̆n̵̡̼̤̥͙͎̓͗͑̈́́̆͘͜ ̷̬͈͈͛͑̽̀̈́̇ǵ̷̤̤̜͖̒͠r̵̪̐̎̏̐́̿͌̐̈́̔ơ̴̧̢͓͎̯͚̞͋̇̓̿̎̊́͛ͅw̸̢̘̻̣̰̩̰̍̌̀͌̓̈́̐ṡ̶̩̋͒́̌̄͗̕ͅ ̸̟̮̟̳̭̈̋̂̀̈́͠l̵̰̜̫̳̮̫͋̄́̀̀̚̚̚͠͝a̷͍̤̱̪̞̳̩̾̀͜͜ͅr̷͓̫̾͐̇̀̋͊̈́̕̕͝g̷͉̠̝̝̘͚͖͚͋͗ͅę̸̧̝̝̮͇͖̀̐̄͂̇̇̕̕ͅͅr̴͔͇̗͓͑̾̏̇́͝.̵̡̬̦̒̎̆̐͋̇͋͒͑̚ ̷̧̱͕̬͖͛̓̔͐͘͘͝M̵̠̥͍̟̘͉̲̓̚ͅy̵̱̱̭͖͖̐̔̓́̍̀̈́̐ͅ ̶̧̢̧̤͒͐̋̽̔͘͝p̵̩͔̹̻͐̌͆̃̌̉͋̓͋̕ǫ̸̭̣̦̟̉̀̔̍̎͌̉t̶̛̬̤̭̜̩̗̉̓̂̐̽͂͒ẳ̵̛̩̫̞͉̖̗̈́̋͊̀͘͝s̶̺̫̝̩̃̃͋̃͘s̵̲̝̘̐í̷̪̫͙͋̃̅̽̽̆͠u̶̡̨̢͉̪̙̤̤̽͑̍̈́̎̿̎̎̈́̕͜ḿ̴̘͍͖͊̆̓̓̌ͅ ̸̛̘͊̂̋͠l̶̨͙̲͖̤̻̹̙͖̓̍̋̉̽̍̏͘ę̶̡͕̻͙̖͒͌̎̂̅ͅv̷̲͓͚̘̠̥͓̼̮̰̑͌͌̈́̾̋͂̇͑̄e̵̢̪̲̼̽̅͒͋̆͋̊ľ̷̡̨̠̤̰̣̏̈́̽̔̚s̵̢̟̉̅̑͌̋̀͘͠ ̵̙̺͕̮͖͔̜̈̆̓́͐̈̈́ỉ̸̻̏̓́n̴̲̠̈͠ͅc̷̰͎̦̀̿͠r̵̛͇̩̼̳͖̓́͋̓̈́͂̍͜è̴͉̈̋͛̔̋̐̚͝a̴̢͍͍̥̪̱͑͐͌̍̿̔̒͒̂͝s̶̩̜̞̙̬̦̺͑͌͐̎̕e̷̢̐̆͂͝ ̶̝̟̹̤̃̉ḝ̸̘̝̱͍̝̤̒̒a̴̧̢̮̳̤̎ç̶̧͍̹̣̦̥̹͆̾̌̎͑̌̔h̶̜̬̀̏̈̋̈́ ̶̡̢̧͔̤̖̞̲́̇̾̑͒̊̋͘d̵̗͉̿̓̉͗̕͠a̵̯͎̣̞̪̮͙̦̿̈́̓̎͝y̸̼̘̲̟̦̜̞͎͋́̈́̑́̊.̶̧͔̪̈́̈́͑͑̂̎͂̔̏̒

Only sale within the last two months:

https://marketplace.tf/items/tf2/200;15;u701;w4;pk302;strange;kt-3;festive

Sold for $167 USD to me on September 18, 2020: https://backpack.tf/item/6255489274

Median price of keys that day was $1.85: https://marketplace.tf/items/tf2/5021;6. $167/$1.85 = 90.27027027027. I rounded down to 90.