10 of those exist.

Only 3 current sales:

http://www.tf2outpost.com/trade/23315542 -> 1.5 Buds

http://www.tf2outpost.com/trade/24314198 -> 20 keys

http://www.tf2outpost.com/trade/24001337 -> 2 buds

Past sales:

1 month ago

http://www.tf2outpost.com/trade/23910705 -> Selling at 20 keys

http://backpack.tf/profiles/76561198053150592?time=1417680000 - Before sale

http://backpack.tf/profiles/76561198053150592?time=1417766400 - After sale

Suggestion sold at 19 keys

2 months ago

http://www.tf2outpost.com/trade/23036348 -> Selling at 30 keys

http://backpack.tf/profiles/76561198035237398?time=1413356400 - Before sale

Unsure if it was sold for B/O, maybe was sold on the community market?

Regarding those with the old bud price, I'd say they fall in the same value.

No other sales found.

This is my first suggestion, if I did something wrong, tell me so I can make it better :)