https://marketplace.tf/items/tf2/30836;5;u56

June 19 - $15.99 / $1.87 = 8.55 keys

July 10 - $15.99 / $1.87 = 8.55 keys

July 12 - $15.99 / $1.85 = 8.64 keys

July 15 - $15.99 / $1.82 = 8.79 keys

July 19 - $15.99 / $1.81 = 8.83 keys

July 31 - $15.99 / $1.81 = 8.83 keys

July 31 - $15.99 / $1.81 = 8.83 keys

https://gladiator.tf/sales?item=Kill-a-Watt%20Elf%20Esteem&at=2021-07-31T23:27:06.168Z

7 keys 5 ref https://backpack.tf/item/6990323424

https://backpack.tf/item/6990323424

https://backpack.tf/item/5372208145

https://backpack.tf/item/8048964983

https://backpack.tf/item/8504843598

MP histories

https://backpack.tf/profiles/76561198873646487#!/compare/1622764800/1622937600

https://backpack.tf/profiles/76561198337734785#!/compare/1622678400/1622764800

untraceable

https://backpack.tf/profiles/76561199133932832#!/compare/1625961600/1626048000

https://backpack.tf/profiles/76561198037674114#!/compare/1624320000/1627430400

untraceable

https://backpack.tf/profiles/76561198850121720#!/compare/1622937600/1623024000

https://backpack.tf/profiles/76561198152204266#!/compare/1622419200/1623024000

untraceable

https://backpack.tf/profiles/76561198385969603#!/compare/1624060800/1624147200

https://backpack.tf/profiles/76561198850274253#!/compare/1624060800/1624147200

bulk

https://backpack.tf/profiles/76561198850274253#!/compare/1624060800/1624147200

https://backpack.tf/profiles/76561198880657707#!/compare/1622160000/1624320000

untraceable

https://backpack.tf/profiles/76561198880657707#!/compare/1622160000/1624320000

https://backpack.tf/profiles/76561199084784906#!/compare/1624233600/1624320000

untraceable

https://backpack.tf/profiles/76561198850121720#!/compare/1624924800/1625011200

https://backpack.tf/profiles/76561199143627226#!/compare/1624924800/1625011200

untraceable

https://backpack.tf/profiles/76561199143627226#!/compare/1625702400/1625788800

https://backpack.tf/profiles/76561198311498888#!/compare/1625702400/1625788800

untraceable, but stn buys for 6.5 keys

https://stntrading.eu/item/tf2/Unusual+Kill-a-Watt+Elf+Esteem

https://gyazo.com/dc6b224495ed4af5cc758c828b5c5ab8

and then stn.tf sold it on MP (or someone bought and sold it) then presumably it sold for ~7.5 keys or had a 7.5 key buyout

https://backpack.tf/profiles/76561198060589954#!/compare/1627689600/1627776000

https://backpack.tf/profiles/76561198080179568#!/compare/1627603200/1627689600

untraceable

https://backpack.tf/profiles/76561198060589954#!/compare/1627689600/1627776000

https://backpack.tf/profiles/76561199133932832#!/compare/1627430400/1627689600

untraceable

https://backpack.tf/profiles/76561199133932832#!/compare/1627689600/1627776000

https://backpack.tf/profiles/76561198272407745#!/compare/1627689600/1627776000

untraceable

https://backpack.tf/profiles/76561198272407745#!/compare/1627689600/1627776000

https://backpack.tf/profiles/76561198129512185#!/compare/1621468800/1627776000

untraceable

i couldnt find any actual buy order dumps ah ha ha

going with 7-8.5