10 month old price, counter suggestion. Resuggesting with modified mini and corrected bud price for first sale.

Offered (and sold) alongside 11 keys (~1 buds) for an Orbiting Fire Brown Bomber (~2.8 buds, only slightly outdated so meh) = ~20 keys for CM, buds at 11 keys

http://www.tf2outpost.com/trade/24828944

Sold alongside 7 keys + ~2 keys in sweets for a Bubbling Modest (~1.9) = 12 keys for CM, buds at 11 keys, outlier

http://www.tf2outpost.com/trade/25302430

http://backpack.tf/profiles/76561198050824312?time=1425715200

Sold for ~4 keys in sweets for a Disco Beat Down Bonk Helm (~19 keys) = ~15 keys

http://www.tf2outpost.com/trade/25425845

http://backpack.tf/profiles/76561198128627004?time=1426921200

Bonk Helm mini, calling it 20-23

http://www.tf2outpost.com/trade/25425845 - B/O of one in CM trade was 2 buds = 20 keys, buds at 10 keys

http://www.tf2outpost.com/trade/25417560 - sold for 17 keys but quickly so ignoring

http://www.tf2outpost.com/trade/25423443 - "Quickselling" at 23 keys for over a week

http://www.tf2outpost.com/trade/24765555 - Sold for 30 keys, outlier based on the link right above this one

Sellers:

http://www.tf2outpost.com/trade/25319149 - 19 keys, 1 week

http://www.tf2outpost.com/trade/25518928 - 19 keys, young

http://www.tf2outpost.com/trade/21745295 - no price, 7 months