Resuggestion, thanks to Randy for the info!

Sale 1:

https://backpack.tf/profiles/76561198135388328#!/compare/1531612800/1531699200

https://backpack.tf/profiles/76561198224348988#!/compare/1531526400/1531699200

Untrace.

Sale 2:

https://backpack.tf/profiles/76561198224348988#!/compare/1531526400/1531699200

https://backpack.tf/profiles/76561198119629072#!/compare/1531612800/1531699200

Sold with negligible ref for Smoking Guad(14) + 5 keys

Total is 19 keys

Sale 3:

https://backpack.tf/profiles/76561198119629072#!/compare/1531699200/1531785600

https://backpack.tf/profiles/76561198057662373#!/compare/1531699200/1531785600

Can trace a luger? & a taunt.

Sale 4:

https://backpack.tf/profiles/76561198057662373#!/compare/1531699200/1531785600

https://backpack.tf/profiles/76561198238966006#!/compare/1531353600/1531785600

Sold with negligible sweets for Blizzardy Luchadore, not using due to Luchadore dupes being in 2 places at once?

Sale 5:

https://backpack.tf/profiles/76561198238966006#!/compare/1534118400/1534204800

https://backpack.tf/profiles/76561198153011059#!/compare/1534032000/1534118400

keys, untrace.

Sale 6:

https://backpack.tf/profiles/76561198153011059#!/compare/1534118400/1534204800

https://backpack.tf/profiles/76561198159320392#!/compare/1534118400/1534204800

Sold for keys, maybe Black box?

Sale 7:

https://backpack.tf/profiles/76561198159320392#!/compare/1534118400/1534204800

https://backpack.tf/profiles/76561198155476440#!/compare/1533945600/1534204800

Sold for 15 keys

Sale 8:

https://backpack.tf/profiles/76561198155476440#!/compare/1535328000/1535414400

https://backpack.tf/profiles/76561198385681762#!/compare/1535328000/1535414400

https://backpack.tf/profiles/76561198032176942#!/compare/1535241600/1535414400

unable to trace any of these.

Total sales @:

15, 19 keys

Randy's Part:

mmm the cap doesnt show in either compare for the 15 key sale. It looks to have sold in a day looking at history - https://backpack.tf/item/887973309

imo it prolly shouldnt be included. 19 flat is prolly best.

Taking 19 flat.