There B/O are 1 Bud (the other is taking offers)

Proofs (all offers shown are the highest in there trade):

[url]http://www.tf2outpost.com/trade/8558333[/url] - offered for 1 Bud (also got an offer of an unusual worth 25 keys)

[url]http://www.tf2outpost.com/trade/7767945[/url] - offered for SF Grenade + 8 Keys + 35 Refs (worth 29 keys I think)

[url]http://www.tf2outpost.com/trade/8660603[/url] - offered for 24 Keys + TC (worth 25 Keys + Refs)

[url]http://www.tf2outpost.com/trade/7664638[/url] - offered for 24 Keys

Incase if you forgot, mining light unusuals can't be obtainable anymore