3 years

https://backpack.tf/item/10518643349

Sale #1:

https://backpack.tf/profiles/76561199087332329#!/compare/1710720000/1710806400 ~ bulk for a burning rifleman

https://backpack.tf/profiles/76561198360428856#!/compare/1710720000/1710806400

Sale #2:

https://backpack.tf/profiles/76561199389777392#!/compare/1710288000/1712448000 ~ taken from his bot?

Sale #3:

https://backpack.tf/profiles/76561198390621565#!/compare/1715299200/1715558400 ~ sold for a Time Warp Cyborg Stunt Helmet + 5 keys

https://backpack.tf/profiles/76561198131785751#!/compare/1715472000/1715558400

Mini Helmet:

https://backpack.tf/suggestion/6648b00d3568990cbc0bf988 ~ 155

= 160 which is below buyers at 162 :(

Sale #4:

https://backpack.tf/profiles/76561198131785751#!/compare/1715558400/1715644800 ~ sold for a Tesla Coil Lil' Bitey (127.5) + Ancient Eldritch B'aaarrgh-n-Bicorne + Haunted Wick More Gun Marshal (30) + Circling TF Logo More Gun Marshal

https://backpack.tf/profiles/76561198840987606#!/compare/1715558400/1715644800 ~ looks like he also added the 5 keys + taunts etc

Minis:

https://backpack.tf/suggestion/6648b1353832906aed05477e ~ 54.5 for Bicorne

https://backpack.tf/suggestion/6648b3452d5f6678b408a13d ~ 9.5 for marshal

= 221.5 on CHMANS end

Then we minus 5 keys and 16.5 for the sweets and we get 200 keys.