Sure.

http://www.tf2outpost.com/trade/25277720 — Sold for 13 keys + ~4 ref

http://backpack.tf/profiles/76561198053480977?time=1425628800

http://backpack.tf/profiles/76561198053480977?time=1425715200

1.2 buds

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http://www.tf2outpost.com/trade/25296766 Sold for Bubbling Desert Marauder (14 keys) + 2 keys + 17 ref (1 key) + ~2.8 keys in items

http://backpack.tf/profiles/76561198117788225?time=1425970800

http://backpack.tf/profiles/76561198117788225?time=1426230000 — http://i.imgur.com/9GLL6nF.png

Marauder: http://www.tf2outpost.com/trade/25328002

Roughly ~18.12 keys, capped at 17 keys due to B/O

1.5 buds

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http://www.tf2outpost.com/trade/24502719 — Sold with a ton of other hats for a Peace Sign Muffs

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Mini-Suggestions:

Professional Killstreak Three-Rune Blade:

http://steamcommunity.com/market/listings/440/Professional%20Killstreak%20Three-Rune%20Blade

Average price of $5.06 from March 1st to March 15th

$2.35 (Avg. Market Key Price) / $5.06 = ~2.15 keys