Resuggesting because I made a calculation error in my previous suggestion

None listed on the market.

---------------

Trades:

https://backpack.tf/profiles/76561198045466865#!/compare/1506297600/1506384000

https://backpack.tf/profiles/76561197998290686#!/compare/1506297600/1506384000

Harvest Moon Shooter's Sola Topi (60) + a Pyro the Flamedeer + 6 keys pure = 67.35 ~ 67 keys

https://backpack.tf/profiles/76561198173434366#!/compare/1505260800/1505347200

bulk

https://backpack.tf/profiles/76561198153088409#!/compare/1505433600/1505520000

https://backpack.tf/profiles/76561198045466865#!/compare/1505433600/1505520000

???

---------------

Mini for Harvest Moon Shooter's Sola Topi:

Clean trades:

https://backpack.tf/profiles/76561198143065473#!/compare/1505088000/1507334400

Amaranthine Professional's Panama (44 keys) + 16 pure = 60 keys

https://backpack.tf/profiles/76561198277588995#!/compare/1505347200/1506124800

bulk

https://backpack.tf/profiles/76561198119164169#!/compare/1502236800/1502323200

bought from scrap.tf bot

Duped Trades:

https://backpack.tf/item/1235359593

https://backpack.tf/profiles/76561198032697880#!/compare/1507248000/1507334400

https://backpack.tf/profiles/76561198019556015#!/compare/1506816000/1507075200

53 pure

2 dupes on classifieds: 54 and 55 keys

https://i.imgur.com/hv2bvAQ.png