Resuggesting. 1 of 2.

"For very rare hats, if there have only been 1-2 sales in the last 3 months, a trade up to 3 months old is okay to use as proof to establish more data points. Keep in mind, new sales should take precedence over older ones."

Sale #1

http://backpack.tf/profiles/76561198041843269?time=1448265600&compare=1448438400

Sold for 18 keys + G. Fan + V. Whoope ~ 19 keys low-end

Sale #2 (credits to walrudos)

http://www.tf2outpost.com/trade/27828697 ("(1) SOLD LOLOLOL", must have been hard...)

http://backpack.tf/profiles/76561198138238799?time=1454572800 -> http://backpack.tf/profiles/76561198138238799?time=1455350400

Sold with 6 keys for a Shadows Base Metal Billycock

x + 6 = 30 -> x = 24 keys high-end

Any pertinent comments are welcome.