mhm

SALE 1

sold for 12 keys + 20 refined

https://backpack.tf/profiles/76561198337734785#!/compare/1557705600/1557792000

https://backpack.tf/profiles/76561198046102461#!/compare/1557705600/1557792000

rounds down to 12 keys

SALE 2

bulk for vivid rack

https://backpack.tf/profiles/76561198046102461#!/compare/1558137600/1558224000

https://backpack.tf/profiles/76561198155066949#!/compare/1558137600/1558224000

SALE 3

sold for 14 keys?

https://backpack.tf/profiles/76561198155066949#!/compare/1559952000/1560211200

i dont think so, as histories between the keys dont match.

SALE 4

unknown

https://backpack.tf/profiles/76561198064255155#!/compare/1557273600/1557360000

SALE 5

sold for 13 keys

https://backpack.tf/profiles/76561198080179568#!/compare/1555977600/1556064000

https://backpack.tf/profiles/76561198068298009#!/compare/1555977600/1556064000

1 marketplace sale

30 on april 22 (30 / 1.79 = 16.759 rounding to 17 keys)

https://marketplace.tf/items/tf2/359;5;u57

classifieds at the time of making this suggestion.

https://gyazo.com/d06f1f10f02daf7b6bcd45f9df204ede

sales at 12, 13, and possibly 14. marketplace sale at 17. 17 seems high due to unsuccessful sellers on the classifieds. 14 isn't a clear sale as histories do not match(even if it was 14, unsuccessful sellers at 12.47 and 13). taking a range of 12-13 keys here.