Alright Trying this again, Thanks for Marty for providing helpful feedback and extra evidence

Sale 1: Bulk

https://backpack.tf/profiles/76561198006261640#!/compare/1499472000/1499558400

https://backpack.tf/profiles/76561198096233254#!/compare/1497744000/1499558400

Capo: https://backpack.tf/item/936501178

Sale 2: Sold with a key for a Harvest Moon Magnificent Mongolian (Outdated), Better to use for the mongolian

https://backpack.tf/profiles/76561198057160393#!/compare/1496102400/1496188800

https://backpack.tf/profiles/76561197963500354#!/compare/1496102400/1496275200

Sale: https://prnt.sc/fz771r

Sale 3: Sold for 28 keys, Key Histories Match (Took 19 Days)

https://backpack.tf/profiles/76561197963500354#!/compare/1497744000/1497830400

https://backpack.tf/profiles/76561198273579483#!/compare/1497657600/1497830400

History: https://backpack.tf/item/2560023909

Sale 4: QS for 24 Keys? Id's are similar enough to match

https://backpack.tf/profiles/76561198001366665#!/compare/1497139200/1497225600

https://backpack.tf/profiles/76561198133202287#!/compare/1496361600/1497225600

Sale 5: QS for 23

https://backpack.tf/profiles/76561198081010489#!/compare/1500595200/1501200000

https://backpack.tf/profiles/76561198313538268#!/compare/1501113600/1501200000

Sale 6: Sold for 29 Keys After about 18 days or 22?

(Says it's 22, https://webcache.googleusercontent.com/search?q=cache:Ns2w5BG01WwJ:https://backpack.tf/stats/Unusual/Capo%27s%2520Capper/Tradable/Craftable/10+&cd=1&hl=en&ct=clnk&gl=au)

https://backpack.tf/profiles/76561198207786885#!/compare/1502755200/1503100800

https://backpack.tf/profiles/76561198313538268#!/compare/1502668800/1502755200

History: https://backpack.tf/item/4477596401

Sales:

23

24

28

29

Seeing how theres 3 QB's at 23, i'm gonna go with 28-29 keys