9 Month(s) Old 0 on the market, proof from previous suggestion. Only 1 valid within time range

Overpay calculated

Proof below

Sales

http://www.tf2outpost.com/trade/18991664 Sold for Blizz Bicorne (1.1 when buds were ~18)

http://www.tf2outpost.com/item/440,2492646113,607,5

http://www.tf2outpost.com/trade/17986078 Sold for Bubbles Kabuto (1) Sale is 3 months old

http://www.tf2outpost.com/item/440,2364551498,152,5

http://www.tf2outpost.com/trade/18119076 Sold for 23 Keys (1.1 when keys were ~19)

References (If any)

Credit to TheProCave

Shako is a rare hat, that is the only reason why I'm backing up my range with 3 month old sales.

Feedback is appreciated