-New sale @ $99.99 (57 keys with keyprice at the time: https://marketplace.tf/items/tf2/30570;5;u3022 https://manic.tf/keyprice/?at=2022-02-26&site=marketplace.tf ; unable to locate history)

-Sold for presumably 49 keys: https://gladiator.tf/listings/6210f748bb3f309c724ef9f3 https://backpack.tf/profiles/76561199059160806#!/compare/1645142400/1645228800 https://backpack.tf/profiles/76561198252924186#!/compare/1645401600/1646352000

-Bulk for a holiday horns mooshanka; damn the seller got a really dope deal considering unsold at 60 on the mooshanka: https://backpack.tf/profiles/76561198037194201#!/compare/1641427200/1641513600 https://backpack.tf/profiles/76561198036070209#!/compare/1641427200/1641513600

-AJ's bot bought for ~39 keys: https://cdn.discordapp.com/attachments/343402827223269376/952607294384910439/unknown.png

-Redumped days later for ~39 keys: https://gladiator.tf/listings/61d76b073d1368490e4154bchttps://backpack.tf/profiles/76561199119392127#!/compare/1641600000/1641686400 https://backpack.tf/profiles/76561198841279602#!/compare/1641600000/1641686400 https://i.gyazo.com/7dd22d4171cdb8dc0e9f2162d1efd630.png

So we have:

-2 pure sales at bot buyer price (39)

-at least 2 pure sales at 49+

-one bulk sale which supports the lower-end

Based on the information, 39-50 is the call here.