Resuggest from https://backpack.tf/suggestion/5fad7f65b9d30b2f5e044f7d (Credit to boohbah for making the original suggestion and Vincentuis for adding sales)

Raising on a dupe because none of the clean ones sold in the past year

https://marketplace.tf/items/tf2/180;5;u39

https://backpack.tf/item/1199688252

November 12: $54.99/1.78=30.89 ~31 keys

Before it was sold oN Marketplace.tf, Vincentius bought it for 19 keys then instantly deposited to Marketplace.tf, hence why he doesn't appear in the item history

https://gyazo.com/210bc3123b5eb3f19204cdfab199ecd8

He also had a buyout of 25 keys for his Marketplace.tf sale, so that sale's gotta cap at 25

https://imgur.com/c5Scu5K

Going 19-25