SALE 1:

http://www.tf2outpost.com/trade/19382741 - Sold for 28 keys + 15.11 ref

Before

http://backpack.tf/profiles/76561198011912066?time=1398495600

After

http://backpack.tf/profiles/76561198011912066?time=1398582000

~ 1.8 buds at that time

SALE 2:

http://www.tf2outpost.com/trade/20995203 - Sold for a Strange pan + Stormy Storm Milkman

Before:

http://backpack.tf/profiles/76561198052231703?time=1404198000

After:

http://backpack.tf/profiles/76561198052231703?time=1404630000

~ 2.1

SALE 3:

http://www.tf2outpost.com/trade/20277081 - Sold for Smoking Killers Buto + sweets (think 5 keys)

Before:

http://backpack.tf/profiles/76561198061717026?time=1402556400

After:

http://backpack.tf/profiles/76561198061717026?time=1402642800

offered on so no overpay ~ 1.9

SALE 4:

http://www.tf2outpost.com/trade/19818597 - Sold for a smoking softcap (1) + 20 keys (1.2)

~ 2.2 buds:

Thanks grimdercell for extra proof - i thought i should include it to make it more accurate.