http://www.tf2outpost.com/trade/7826414 - looked like he took this or some of this for the capotan (16-21 keys in items, dont know what actually was traded)

http://www.tf2outpost.com/trade/7849629 - b/o 1 bud , sold for 2 s.f's (one of them was a nade) (around 20-23? in items)

http://www.tf2outpost.com/trade/7817384 - "b/o 1.3" but wants 29-31 keys, sold for unknown

http://www.tf2outpost.com/trade/7713977 - b/o 1 bud, sold for smoking beanie (.9 unusuals, outdated)

http://www.tf2outpost.com/trade/8068144 - b/o 1 bud, sold for bubbles slouch (.8 unusuals)

http://www.tf2outpost.com/trade/8247653 - b/o 1 bud "QS"

http://www.tf2outpost.com/trade/7365650 - b/o was 26 keys, looks like it sold for smoking counterfeit (1 bud unusuals)

Conclusion: So many 1 bud b/os that are never actualy bought in pure. Most sold for unusuals/items of similar low tier.