Resuggestion from

https://backpack.tf/suggestion/5f18bbf9dff627792d370284

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Bonzo The All-Gnawing Dr's Dapper Topper

Bought it for 500 keys + Smissmas Caribou + Nebula Universal Translator

Proof https://imgur.com/a/kFeLbfy

Previous owner https://steamcommunity.com/id/liewen/

Current owner https://steamcommunity.com/id/DizaAndrey/

Compare inventories doesn't work

Smissmas Caribou = 98.5 keys

https://backpack.tf/stats/Unique/Smissmas%20Caribou/Tradable/Craftable

Nebula Universal Translator = 150 keys

https://backpack.tf/stats/Unusual/Universal%20Translator/Tradable/Craftable/99

Going with 500 + 98.5 + 150 which rounds to 750 keys off moderator comment

No other sales

Let me know if I missed anything. Thx.