Hope this works well, first time doing a sugg that wasn't my own unu :D

and yes i basically copy pasted what others said, i mean, they did the work already i might as well put it in here...

https://scrap.tf/auctions/3CWUT2 <- Shows 118 due to price change in keys.

https://backpack.tf/profiles/76561198935532676#!/compare/1684108800/1684368000 <- Nickel amassment hasn't sold, so all 120 keys are from the BF Virus Doctor.

https://backpack.tf/profiles/76561198045978681 <- Winner's bp still relying on fallback, can't be seen

https://marketplace.tf/items/tf2/30043;5;u13

1 @ $299.99 = 150 keys (thanks bentry, but ignorable)

Untraceable but likely under 120

https://backpack.tf/profiles/76561198311498888#!/compare/1678233600/1678320000

https://backpack.tf/profiles/76561198319798435#!/compare/1678147200/1678233600

https://stntrading.eu/item/tf2/Unusual+Burning+Flames+Virus+Doctor

Untraceable

https://backpack.tf/profiles/76561198045708542#!/compare/1681603200/1683331200

https://backpack.tf/profiles/76561198244962432#!/compare/1683331200/1683417600

It was unsold for a long time @120-130

https://gladiator.tf/time-machine?item=Burning+Flames+Virus+Doctor&at=2023-04-28T06%3A19%3A00.000Z

https://gladiator.tf/time-machine?item=Burning+Flames+Virus+Doctor&at=2023-04-02T04%3A28%3A00.000Z

So 150 looks high. 120 flat should work here. - K1ng