Kiss Kiss

https://backpack.tf/item/7957633942

Sale 1) ?

https://backpack.tf/profiles/76561198255015722#!/compare/1565395200/1566518400

https://backpack.tf/profiles/76561198851787320#!/compare/1565481600/1566086400

Sale 2) ?

https://backpack.tf/profiles/76561198851787320#!/compare/1566172800/1566259200

https://backpack.tf/profiles/76561198117320629#!/compare/1566086400/1566172800

Sale 3) Sold for a Duped Steaming Fancy Fedora + ~2 Keys of Items

https://backpack.tf/profiles/76561198117320629#!/compare/1566172800/1566259200

https://backpack.tf/profiles/76561198335337587#!/compare/1566086400/1566259200

https://imgur.com/a/ZdR4V6G - Capped by the Buyout of 15 Keys

Fedora Mini

https://imgur.com/a/LQfIu1s - 4 Buyers at 13 Keys

https://backpack.tf/u/76561198830746068

https://backpack.tf/u/76561198057124378

https://backpack.tf/u/76561198002757046

https://backpack.tf/u/76561198337734785

Sale 4) Sold for a Miami Nights Sammy Cap + 4 Keys

https://backpack.tf/profiles/76561198335337587#!/compare/1566345600/1566432000

Not a good sale for either.

https://backpack.tf/item/5078143917

Sale 5) ?

https://backpack.tf/profiles/76561198077897222#!/compare/1539561600/1559433600

https://backpack.tf/profiles/76561198444831235#!/compare/1560384000/1561161600

Sale 6) ?

https://backpack.tf/profiles/76561198444831235#!/compare/1561420800/1562198400

Sale 7) ?

https://backpack.tf/profiles/76561198337734785#!/compare/1561507200/1561593600

https://backpack.tf/profiles/76561198057424888#!/compare/1561507200/1561593600

Sale 8) ?

https://backpack.tf/profiles/76561198057424888#!/compare/1561507200/1561593600

https://backpack.tf/profiles/76561198819750289#!/compare/1561507200/1561593600

Sale 9) ?

https://backpack.tf/profiles/76561198819750289#!/compare/1562025600/1564704000

https://backpack.tf/item/6687903395 - Gambled until R+ubi sold it

Sale 10) Quicksold for 14 Keys + 2 Refined

https://backpack.tf/profiles/76561198002757046#!/compare/1561852800/1561939200

Rounds to 14 Keys

Sale 11) Bulk sale for a Haunted Ghosts Vive la France

https://backpack.tf/profiles/76561198224648164#!/compare/1562112000/1562198400

Sale 12) Sold for a Stormy Storm Letch's LED (11.5 Keys) + Putrescent Pigmentation Brawling Buccaneer (2.6 Keys)

https://backpack.tf/profiles/76561198055622215#!/compare/1562630400/1562716800

11.5 + 2.6 = 13.1, which rounds to 13 Keys

Buccaneer Mini

https://backpack.tf/profiles/76561198059624182#!/compare/1558483200/1559088000 - Sold for a Double Spelled Spec KS Sticky (2.6 Keys) + 2 Refined

Double Spelled Spec KS Sticky Micro

https://backpack.tf/profiles/76561198805251421#!/compare/1558656000/1558742400 - Sold for 2 Keys + 33.33 Refined

Sale 13) Sold for a Green Confetti Tundra Top (14.5 Keys)

https://backpack.tf/profiles/76561198119629072#!/compare/1564099200/1564444800

Rounds to 15 Keys

Sale 14) Sold + Pro KS Aussie Axtinguisher (~7 Keys) for a Tesla Coil Hot Dogger + 2 Keys

https://backpack.tf/profiles/76561198085557220#!/compare/1564531200/1564704000

https://backpack.tf/profiles/76561198125791160#!/compare/1564617600/1564704000

Better for the Hot Dogger.

https://marketplace.tf/items/tf2/30313;5;u11 - Sold for $39 twice (high) and $23.50 when Keys were ~$1.81 each

https://marketplace.tf/items/tf2/5021;6

23.5 / 1.81 = 12.98, which rounds to 13 Keys

https://imgur.com/a/Q0kIHV8 - 2 Sellers at 13 Keys

https://backpack.tf/item/5078143917

https://backpack.tf/item/7957423368