Last suggestion is still valid so I'm making a range.

Sale 1 http://www.tf2outpost.com/trade/27873878

http://backpack.tf/profiles/76561198152898539/#!/compare/1456214400/1456300800

1:1 Bonzo Naggen (75), the Australium Medi gun and Max is unrelated to this trade (history doesn't match)

Sale 2 http://www.tf2outpost.com/user/76561198034312547 B/O 72 keys

1:1 Ancient Eldritch Death Racer's Helmet (71)

Seller bp: http://backpack.tf/profiles/76561198034312547/#!/compare/1460764800/1460851200

Buyer bp: http://backpack.tf/profiles/76561198076469786/#!/compare/1460419200/1460851200

Unusable sale Bulk deal, seem to involve paypal => Can't use.

Seller bp: http://backpack.tf/profiles/76561198261771051/#!/compare/1457078400/1457424000

Buyer bp: http://backpack.tf/profiles/76561198112217552/#!/compare/1457337600/1457424000

Help/Feedback/Additional proof is appreciated.