Only recent sale.

Sold with a duped Power Surge Master’s Yellow Belt for a Purple Confetti Hong Kong Cone(108.5).

X + 50 = 108.5

X = 58.5 (rounding up to 59 Keys

http://backpack.tf/profiles/76561197991864288#!/compare/1474329600/1474416000

http://www.tf2outpost.com/trade/28417594

Mini for Belt.

Sold for a Strange Cool Corsair Scattergun (Well-Worn)(150).

http://backpack.tf/profiles/76561198039749336#!/compare/1479081600/1479168000

Taking as 50 Keys due to a clean one being sold for 50.

https://gyazo.com/c95de7c91e6b9e058fab46868fd5becc

Mini for Scattergun.

Sold for a Strange Cool Professional Killstreak Airwolf Sniper Rifle (Well-Worn)(150).

http://backpack.tf/profiles/76561198039749336#!/compare/1478390400/1478476800

http://www.tf2outpost.com/trade/28520273

Mini for Sniper Rifle.

Sold for 150 pure keys.

http://backpack.tf/profiles/76561198039749336#!/compare/1478044800/1478217600

Sold his Strange Tesla Coil Galvanized Gibus to a collector for ~150 keys

http://backpack.tf/profiles/76561198001106243#!/compare/1477958400/1478217600

Then used the keys to buy the sniper rifle.

http://www.tf2outpost.com/trade/28547310

https://gyazo.com/521ecfef526801c00be366b9665f66b0

Mini for HKC.

In date. Taking as 108.5 Keys.

1/3 in the world. 2 of them has been offline for 3 months. Buyer does not seem like he is reselling.

omg the luck. he lists it for sale the day i do this suggestion