Sale 1:

Sold for Disco Beat Down Your Worst Nightmare (Mini at 33 below) + Skill Gotten Gains I See You (23.5) + Starstorm Insomnia Cranial (14) + Strange Festive Spec. KS Sniper Rifle (7) + 1 key

http://www.tf2outpost.com/trade/28842711 - No B/O

Seller: http://backpack.tf/profiles/76561198039005753#!/compare/1490745600/1491091200

Buyer: http://backpack.tf/profiles/76561198306484240#!/compare/1491004800/1491091200

X = 79

Sale 2:

Sold for Spec. KS Aussie Tomislav (12) + Spec. KS Aussie Grenade Launcher (~14.5) + Well Worn Isotope Flower Power Medigun (Mini at 31 below)

http://www.tf2outpost.com/trade/28847763 - Deleted B/O

Seller: http://backpack.tf/profiles/76561198002757046#!/compare/1491004800/1491091200

Buyer: http://backpack.tf/profiles/76561198013218558#!/compare/1490918400/1491091200

X = 58

Sale 3:

Sold with 5 keys for Neutron Star Well Rounded Rifleman

Seller: http://backpack.tf/profiles/76561198053017005#!/compare/1489622400/1489708800

Buyer: http://backpack.tf/profiles/76561198317899386#!/compare/1489622400/1489708800

Looks pretty low. Excluding this sale.

Sale 4:

Sold for Strange Starstorm Insomnia Well Rounded Rifleman

Seller: http://backpack.tf/profiles/76561198317899386#!/compare/1490227200/1490313600

Buyer: http://backpack.tf/profiles/76561198002757046#!/compare/1490227200/1490313600

Can be used to price the rifleman.

DBD YWN Mini:

Sold for 33 keys

http://www.tf2outpost.com/trade/28860557 - B/O of 33

Seller: http://backpack.tf/profiles/76561198073553007#!/compare/1490745600/1490832000

Buyer: http://backpack.tf/profiles/76561198064871647#!/compare/1490832000/1491004800

X = 33

Unusual Medigun Mini:

Sold for Atomic Universal Translator (Mini at 30.5 below)

No outpost

Seller: http://backpack.tf/profiles/76561198023218196#!/compare/1488585600/1488672000

Buyer: http://backpack.tf/profiles/76561198023218196#!/compare/1488585600/1488672000

X = 31

Sellers:

85 keys:

http://i.imgur.com/7O6xUHp.png

http://backpack.tf/u/76561198062399509

No outpost

Sales at:

58

79

Going with 58-79.