Resuggesting. Thank you Polar for the input.

Sold for 10 Buds + 10 Keys (0.6) + Black Bills (0.4) + PE Fuka (3.5) + G.Fetti LuckyShot (2.3) + 99$ (3) ~ 19.8 buds

http://www.tf2outpost.com/trade/19994339

Sold for a hearts modest (11) + scorching frenchman (4.5) + ghosts elfin (3.9, old price) ~ around 19-19.5 buds depending on the elfin:

http://www.tf2outpost.com/trade/20679927

http://www.tf2outpost.com/trade/20905295

Other supporting sale:

Sold for a clean lantern buto (8) + clean lantern stash (10.1-14.8) ~ makes the pyromancer around 19-20 buds, close enough:

http://www.tf2outpost.com/trade/20062877

http://www.tf2outpost.com/trade/19749005 - mancer was offered

Polar's input:

I think 17-20 would work. But given this trade - http://www.tf2outpost.com/trade/20980235 - I think the suggested range is high