2 years

https://backpack.tf/item/2044537860

Sale #1:

https://backpack.tf/profiles/76561198285371555#!/compare/1717372800/1717459200 ~ 55 keys shown

https://backpack.tf/profiles/76561198035238833#!/compare/1717200000/1717459200 ~ 55 keys match

https://steamuserimages-a.akamaihd.net/ugc/2530541916770923556/73BAC1388A32033F167D9550C8AA253E57199BCA/

https://steamuserimages-a.akamaihd.net/ugc/2530541916770923969/DE922145665F13F127769E7B114EC05E837CFAC8/

https://steamuserimages-a.akamaihd.net/ugc/2530541916770924402/8ED15187E6BAA1B9A3D02E7BCC9411FE351CC03D/

Cmoon luchadore + 55 keys

Luchadore mini:

https://backpack.tf/suggestion/66891a0736baf6ad2804e73c ~ 945

= 1000 keys

Sale #2:

https://backpack.tf/profiles/76561198035238833#!/compare/1717891200/1718496000 ~ sold for a The Ooze Horrific Headsplitter + Musical Maelstrom Trapper's Flap

https://backpack.tf/profiles/76561198104147036#!/compare/1718409600/1718496000

Both indate at 610 and 210 respectively. = 820

Sale #3:

https://backpack.tf/profiles/76561198104147036#!/compare/1719273600/1719532800 ~ bulk for a miami nights VRH

https://backpack.tf/profiles/76561198057344559#!/compare/1719360000/1719532800

Sale #4:

https://backpack.tf/profiles/76561198037271185#!/compare/1717113600/1717459200

https://backpack.tf/profiles/76561198285371555#!/compare/1717200000/1717286400 ~ sold for a knifestorm stout shako

Mini:

https://backpack.tf/profiles/76561198046061905#!/compare/1715212800/1715472000 ~ sold for a spellbound barnstormer ~ 832.5

https://backpack.tf/profiles/76561198285371555#!/compare/1715385600/1715472000

Sales @ 820, 832.5, 1000

Apparently the stout shako could have added +100 keys, which would give us 820, 932.5, 1000 which would keep / strengthen this same range anyway