Memory Leak Plumber's Pipe, 7 months old price

New pricing spree on Plumber's pipe.

Recent sold:

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http://www.tf2outpost.com/trade/24232094 B/O: 12 keys Sold also for ~ 12 keys

http://www.tf2outpost.com/trade/24232919 Traces of keys

Omg quicksell. Not taking it for safety in.

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http://backpack.tf/item/1661291635 Sold for ~ 1 bud pure

http://backpack.tf/profiles/76561198063129902?time=1419148800 (after)

http://backpack.tf/profiles/76561198063129902?time=1419114254 (before)

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Additional Proof (BOs & COs):

None on market.

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Tried my best, any kind of further proof/counter proof is always appreciated. Thanks!