Updated with new sales; Thanks to Scootaloo for providing link to another beanie that was being traded.

1. http://www.tf2outpost.com/trade/24732993

Sold mine in 7 days for 21 keys.

http://puu.sh/gkzFf/86221df90b.jpg

Price: 21/13 = 1.6 buds

2. http://www.tf2outpost.com/trade/24628024

sold for bud+ 3 keys

Seller: http://backpack.tf/profiles/76561198101057741?time=1421136000 => http://backpack.tf/profiles/76561198101057741?time=1421308800

Price: 1 + 3/14 = 1.2 buds

3. http://www.tf2outpost.com/trade/24490573

Sold for 1 bud+ bill's

Seller: http://backpack.tf/profiles/76561198112256032?time=1420444800 => http://backpack.tf/profiles/76561198112256032?time=1420790400

Price: 1 + 3/14 = 1.2 buds

4: no outpost link

Sold for 1 bud + 5 keys

http://backpack.tf/profiles/76561198128324084?time=1420272000 => http://backpack.tf/profiles/76561198128324084?time=1420358400

Price: 1 + 5/14 = 1.4 buds

None have been in the market in between 18th Jan and 3rd March as far as i know. None right now as well.

Let me know if there are any issues.

Thanks, and have a good one.