Sellers:

http://imgur.com/a/o2JyN

https://backpack.tf/item/688948353 - b/o: 13 keys

Classifieds: https://backpack.tf/classifieds?item=Tam%20O%27%20Shanter&quality=5&tradable=1&craftable=1&australium=-1&particle=6

Screenshot(s) of Classifieds:

http://imgur.com/5gdGkwA

<Sellers>

14 keys | http://backpack.tf/item/3734195084 | http://backpack.tf/u/76561197964171516 | http://www.tf2outpost.com/trade/28834568 | Listed 3 weeks ago [Bumped]

16 keys | http://backpack.tf/item/3521398705 | http://backpack.tf/u/76561198086948995 | Listed 3 months ago [Bumped]

16 keys | http://backpack.tf/item/2852401124 | http://backpack.tf/u/76561198090956917 | Listed 3 months ago [Bumped]

Sold:

https://backpack.tf/profiles/76561198095589372#!/compare/1487721600/1487808000 - sold for Circling TF Logo Football Helmet = 13 keys

Mini's:

Circling TF Logo Football Helmet:

https://backpack.tf/profiles/76561198075979907#!/compare/1489449600/1489622400 - sold for 10 keys (quicksold)

https://backpack.tf/profiles/76561198095589372#!/compare/1489363200/1489449600 - sold with 1 key + sweets for Steaming Brain Bucket = 13 keys