Item 1: https://backpack.tf/item/576475024

Sale 1:

https://backpack.tf/profiles/76561199273331599#!/compare/1779235200/1779408000

https://backpack.tf/profiles/76561198120672630#!/compare/1779753600/1779926400

Bulk

Sale 2:

https://backpack.tf/profiles/76561198120672630#!/compare/1781222400/1781308800

https://backpack.tf/profiles/76561199013179443#!/compare/1781222400/1781308800

Sold for 1250 keys

Item 2: https://backpack.tf/item/777367381

Listed on MPTF

Sales: 1250

Sellers and buyers:

BPTF - https://imgur.com/WtGWjl6 Sellers at 1400 keys (2 months), 1600 keys (1 month and 4 months), non-spelled buyers up to 1150 keys

MPTF - https://marketplace.tf/items/tf2/339;5;u9 $3k (~1579 keys)

STN - https://stntrading.eu/item/tf2/Unusual+Green+Energy+Exquisite+Rack Buy order at ~1065 keys

SCM - https://steamcommunity.com/market/listings/440/Unusual%20Exquisite%20Rack?appid=440&q=Green+Energy https://imgur.com/4rjfIiW No sellers, buyers are nowhere near as high as anywhere else

Going with 1250 keys