Mindacos told me to resugg (and also clean my sugg up a bit), so here it is!

Usable sales

-sold for 12 pure: http://backpack.tf/profiles/76561198129318945#!/compare/1476748800/1476835200

-sold for 10 keys pure + ~2 keys in ref: http://backpack.tf/profiles/76561198019737545#!/compare/1477353600/1477440000

Unusable Sales

-???, history: http://backpack.tf/item/4578362555 says it sold around here, but nothing: http://backpack.tf/profiles/76561198322160202#!/compare/1476662400/1481328000

-???, histories don’t match: http://backpack.tf/profiles/76561198035238833#!/compare/1477094400/1477180800

-???, according to the history IDs, it only sold for 4 keys, which can’t be correct: http://backpack.tf/profiles/76561198028311355#!/compare/1477180800/1477267200

-sold w/ 8 keys for a blizz marauder, likely an outlier, as this would be an incredibly low sale for the whoopee: http://backpack.tf/profiles/76561198158411479#!/compare/1478736000/1479340800

-???, history ids don’t match: http://backpack.tf/profiles/76561198061376237#!/compare/1480723200/1480809600

-???: http://backpack.tf/profiles/76561198059740184#!/compare/1476403200/1476576000

-???, according to history: http://backpack.tf/item/1743950510 , it sold around here, but nothing: http://backpack.tf/profiles/76561198118474235#!/compare/1476835200/1477008000

-???: http://backpack.tf/profiles/76561197984373540#!/compare/1477008000/1477094400

-???, starting to think that most of the “???” sales are the hat being gambled away…: http://backpack.tf/profiles/76561197967861499#!/compare/1477180800/1477267200

-???, according to history: http://backpack.tf/item/1743950510 , it passed through the backpack at around this time, but no trace: http://backpack.tf/profiles/76561198034301797#!/compare/1477008000/1477267200

-???, histories don’t match: http://backpack.tf/profiles/76561198262901538#!/compare/1475625600/1475884800

-???, none of the histories add up: http://backpack.tf/profiles/76561198192602363#!/compare/1476489600/1476576000

-???, once again, histories don’t add up: http://backpack.tf/profiles/76561198097283109#!/compare/1476662400/1476748800

-???, man, these IDs do not like matching up…: http://backpack.tf/profiles/76561198154190042#!/compare/1476748800/1476835200

-sold for 10 keys pure, quicksale: http://backpack.tf/profiles/76561198095862491#!/compare/1476835200/1476921600

-???: http://backpack.tf/profiles/76561197963500354#!/compare/1477008000/1477094400

-according to history: http://backpack.tf/item/859994898 , it sold around here, but nothing: http://backpack.tf/profiles/76561198051830317#!/compare/1476403200/1478044800

-quicksold to scrap.tf: http://backpack.tf/profiles/76561198141658828#!/compare/1478908800/1480550400

Refreshing thanks to the sales above.