Sale 1.

http://backpack.tf/profiles/76561198018823628#!/compare/1488412800/1488499200

Sold for 1 Tesla Coil Wide-Brimmed Bandito and 31 Keys.

Valuing the Tesla Coil Wide-Brimmed Bandito at ~14 keys.

Sale value: ~45 keys.

Green Energy Trencher's Topper B/O: 50 Keys - http://www.tf2outpost.com/trade/28797722

No current sellers.

Other invalid Green Energy Trencher's Topper sales:

http://backpack.tf/profiles/76561198018823628#!/compare/1487721600/1487808000 - Sold with other stuff for a Spellbound Backwards Ballcap.

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http://backpack.tf/profiles/76561198008113369#!/compare/1486166400/1486425600 - Sold with other stuff for a Death at Dusk Virtual Viewfinder.