In hindsight, this is a more reasonable suggestion.

From Within the past month:

https://backpack.tf/item/15535058293

https://backpack.tf/profiles/76561197979248992#!/compare/1741132800/1741651200

https://backpack.tf/profiles/76561198115350025#!/compare/1742428800/1743552000

51 keys, 55.88 ref: https://stntrading.eu/item/tf2/Unusual+Amygdala+Mean+Captain

Current Classified Listings: https://next.backpack.tf/classifieds?itemName=Mean%20Captain&quality=5&particle=303

- Sell Orders at 70 keys, Buy orders at 45 keys. All updated within the last hour of writing this post.

Mannco.store listing: https://mannco.store/item/440-amygdala-unusual-mean-captain

- $115 USD

Marketplace.tf Listing: https://marketplace.tf/items/tf2/31385;5;u303

- $125 USD

Outliers include:

Steam Community market listing: https://steamcommunity.com/market/listings/440/Unusual%20Mean%20Captain?filter=amygdala

Apologies for the back-to-back posts, this is more appropriate.