Sellers:

https://marketplace.tf/items/102;5;u58

https://backpack.tf/item/3357567237

http://www.tf2outpost.com/trade/29167246 - b/o: $32 = 15 keys (5 days)

http://www.tf2outpost.com/trade/28907214 - b/o: 16 keys (29 days)

Sold:

https://marketplace.tf/items/102;5;u58 - sold for $32 = 15 keys

https://backpack.tf/profiles/76561198254192273#!/compare/1489536000/1489622400 - ?

https://backpack.tf/profiles/76561198095985789#!/compare/1489449600/1489536000 - sold for Cauldron Bubbles Respectless Rubber Glove = 19 keys (mini is based on a seller therefore not very accurate thus not using here, maybe better to use this sale to update the Cauldron Bubbles Respectless Rubber Glove)

https://backpack.tf/profiles/76561198095985789#!/compare/1488585600/1488672000 - bulk

https://backpack.tf/profiles/76561198033378852#!/compare/1488585600/1488672000 - bulk

https://backpack.tf/profiles/76561198195478589#!/compare/1488499200/1488585600

https://backpack.tf/profiles/76561198033378852#!/compare/1488499200/1488585600 - ?

https://backpack.tf/profiles/76561198192602363#!/compare/1488326400/1488412800 - sold for Vivid Plasma Janissary Ketche + 4 keys = 22 keys (outlier)

https://backpack.tf/profiles/76561198002186909#!/compare/1492646400/1492819200

https://backpack.tf/profiles/76561198104123262#!/compare/1491264000/1492819200 - bulky and low

https://backpack.tf/profiles/76561198061325470#!/compare/1491177600/1491523200 - ?

https://backpack.tf/profiles/76561198037674114#!/compare/1489795200/1489881600 - bulk

https://backpack.tf/profiles/76561198187616151#!/compare/1489363200/1489449600 - better to be used to update the Disco Beat Down Brim-Full Of Bullets

https://backpack.tf/profiles/76561198092173139#!/compare/1489276800/1489363200 - better to be used to update the Disco Beat Down Cloud Crasher

https://backpack.tf/profiles/76561198092173139#!/compare/1488326400/1488412800 - bulk

https://backpack.tf/profiles/76561198036445124#!/compare/1494201600/1494288000

https://backpack.tf/profiles/76561198116821354#!/compare/1494201600/1494288000 - ?

http://www.tf2outpost.com/trade/28903135

http://backpack.tf/profiles/76561198067575136#!/compare/1493596800/1493683200 - sold for 16 keys

Credits to A Delicious Cashew

Mini's:

Cauldron Bubbles Respectless Rubber Glove:

https://backpack.tf/profiles/76561198042951716#!/compare/1493769600/1493856000

https://backpack.tf/profiles/76561198262820010#!/compare/1493769600/1493856000 - ?

https://backpack.tf/profiles/76561198095985789#!/compare/1491091200/1491177600

https://backpack.tf/profiles/76561198272191310#!/compare/1491177600/1491350400 - sold for Flaming Lantern Industrial Festivizer = 29 keys (outlier)

http://www.tf2outpost.com/trade/28895092 - b/o: 19 keys (20 days)

taking 19 keys