4 years

Item History #1: https://backpack.tf/item/11838162418

~ withdrew from bot

Item History #2: https://backpack.tf/item/13512154141

https://backpack.tf/profiles/76561198311498888#!/compare/1708905600/1708992000

https://imgur.com/CG1cQOu ~ bought under buyers for 19 keys 5.22 ref off stn.tf (wouldn't have bought it if it wasnt, buyers were 19.5 keys)

https://backpack.tf/profiles/76561197999173629#!/compare/1709251200/1709337600 ~ bulk

https://backpack.tf/profiles/76561198026095055#!/compare/1709337600/1709251200

https://backpack.tf/profiles/76561198071707580#!/compare/1709337600/1709251200 ~ QS for 19 keys + 40 ref (making it a 20 key sale rounded) https://i.imgur.com/sBERvh5.png

https://backpack.tf/profiles/76561198071707580#!/compare/1709424000/1709510400 ~ ?

https://backpack.tf/profiles/76561199043177646#!/compare/1709337600/1709424000 ~ no matches

Even though I had offers of 21 keys on my hat and had someone willing to buy it for 24 before i made the bulk trade with Apider, it appears buyers have gone down so the sales should be valid now.