Why did you link 1 sale only? 1 good comment from last suggestion:

take a look into these histories, couple of possible sales in em

http://backpack.tf/item/5570596139

http://backpack.tf/item/4546195284

http://backpack.tf/item/3129005289

http://backpack.tf/item/2712885334

http://backpack.tf/profiles/76561198001759277#!/compare/1489881600/1490572800 - snowraptor's sale, clear outlier

http://backpack.tf/profiles/76561198164651434#!/compare/1490572800/1490659200 - seller

http://backpack.tf/profiles/76561198130802680#!/compare/1490486400/1490659200 - buyer - looks like they sold a beams private eye for pure to get the taunt? can't trace that sale though, so best to leave this one

http://backpack.tf/profiles/76561198205939253#!/compare/1491868800/1492041600 - sold with eerie snaggle (23 at most) for duped beams noble + 5-6 keys of sweets

http://backpack.tf/profiles/76561198210700703#!/compare/1491091200/1491350400 - 72 flippin (59)

The bulkier sale for the noble can't be more than 60-70 and with multiple unsold for 70 I'd say this is close