Paint train! Choo Choo!

http://www.tf2outpost.com/trade/24150500 - Very young seller for bp.tf price (2.5 refined)

http://www.tf2outpost.com/trade/24103764 - Sold fairly quickly for 2.66 refined

http://www.tf2outpost.com/trade/24126660 - Selling for 3 refined (Young)

http://www.tf2outpost.com/trade/23940895 - Seller for 3 refined

http://www.tf2outpost.com/trade/9805396 - Adds for 3 refined

http://www.tf2outpost.com/trade/24152290 - Very young seller at 3 refined

http://www.tf2outpost.com/trade/24024127 - Out of stock for 3 refined

http://www.tf2outpost.com/trade/22136307 - Seller/Sold a few for 4 refined

http://www.tf2outpost.com/trade/23959448 - Sold for 4 refined

http://www.tf2outpost.com/trade/23959448 - Sold for 4 refined

http://www.tf2outpost.com/trade/24117811 - Sold 1/2 for 4 refined

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Only a few on the market