duped suggestion

https://backpack.tf/item/1210396590

oldest sale 148 keys

https://backpack.tf/profiles/76561198083122789#!/compare/1586390400/1586476800

https://backpack.tf/profiles/76561198095236132#!/compare/1586390400/1586476800

second sale

https://imgur.com/a/QFVlxVu

fedora for st mw freehand karambit

https://steamcommunity.com/market/listings/730/%E2%98%85%20StatTrak%E2%84%A2%20Karambit%20%7C%20Freehand%20(Minimal%20Wear)

this has a lot of sales in 160 range and a few 190+, lowest seller around 170 keys so I'll go with that

third sale 180 keys (mine)

https://imgur.com/a/2KnIJay

https://backpack.tf/profiles/76561198051166015 - buyer backpack, newest snapshot from 17 days ago -_-

not including 148 as buyers at 140 currently

in conclusion, 170-180 keys