Selling at 3.54 or lower:

http://www.tf2outpost.com/trade/12459234 3.54 keys (5 days)

http://www.tf2outpost.com/trade/12488250 3.54 keys (4 days)

http://www.tf2outpost.com/trade/12496435 3.54 keys (4 days)

http://www.tf2outpost.com/trade/12541790 3.54 keys (2 days)

http://www.tf2outpost.com/trade/12565255 3.54 keys (2 days)

http://www.tf2outpost.com/trade/12565572 3.54 keys (2 days)

http://www.tf2outpost.com/trade/12566454 3.54 keys (2 days)

http://www.tf2outpost.com/trade/12596217 3.54 keys (1 day)

http://www.tf2outpost.com/trade/12601425 3.54 keys (1 day)

http://www.tf2outpost.com/trade/12604277 3.54 keys (1 day)

http://www.tf2outpost.com/trade/12625807 3.54 keys (18 hours)

http://www.tf2outpost.com/trade/12647642 3.54 keys

http://www.tf2outpost.com/trade/12647839 3.54 keys

http://www.tf2outpost.com/trade/11841767 3.50 keys each, 35 in stock (3 weeks)

http://www.tf2outpost.com/trade/12486361 3.48 keys (4 days)

http://www.tf2outpost.com/trade/12611625 3.48 keys (1 day)

http://www.tf2outpost.com/trade/12639980 3.48 keys

http://www.tf2outpost.com/trade/12565910 3.42 keys (2 days)

http://www.tf2outpost.com/trade/12603521 3.42 keys (1 day)

http://www.tf2outpost.com/trade/12435644 3.36 keys (5 days)

http://www.tf2outpost.com/trade/12488842 3.36 keys (4 days)

http://www.tf2outpost.com/trade/12516664 3.36 keys (3 days)

http://www.tf2outpost.com/trade/12612486 3.36 keys (1 day)

http://www.tf2outpost.com/trade/12646204 3.36 keys

http://www.tf2outpost.com/trade/12647680 3.36 keys

http://www.tf2outpost.com/trade/12510543 3.18 keys (3 days)

http://www.tf2outpost.com/trade/12528163 3.18 keys (2 days)

http://www.tf2outpost.com/trade/12580771 3.18 keys each, 7 in stock (1 day)

http://www.tf2outpost.com/trade/12613781 3.18 keys (1 day)

http://www.tf2outpost.com/trade/12635957 3.18 keys each, 6 in stock (12 hours)

http://www.tf2outpost.com/trade/12412673 3 keys (6 days)

http://www.tf2outpost.com/trade/12569225 3 keys (2 days)

http://www.tf2outpost.com/trade/12575772 3 keys (1 day)

http://www.tf2outpost.com/trade/12579038 3 keys (1 day)

http://www.tf2outpost.com/trade/12623902 3 keys (19 hours)

http://www.tf2outpost.com/trade/12648738 3 keys

http://www.tf2outpost.com/trade/12654133 3 keys each, 3 in stock

http://www.tf2outpost.com/trade/12656274 3 keys

http://www.tf2outpost.com/trade/12633790 3 keys each, 2 in stock

Unsold at higher than 3.54:

http://www.tf2outpost.com/trade/12460910 3.8 keys (5 days)

http://www.tf2outpost.com/trade/12650533 3.8 keys if you buy more than 6

http://www.tf2outpost.com/trade/12463615 3.72 keys (5 days)

http://www.tf2outpost.com/trade/12486462 3.72 keys (4 days)

http://www.tf2outpost.com/trade/12511471 3.72 keys (3 days)

http://www.tf2outpost.com/trade/12604125 3.72 keys (1 day)

http://www.tf2outpost.com/trade/12632138 3.72 keys

http://www.tf2outpost.com/trade/12633248 3.72 keys, 2 in stock

http://www.tf2outpost.com/trade/12649277 3.72 keys

http://www.tf2outpost.com/trade/12655822 3.72 keys

http://www.tf2outpost.com/trade/12650960 3.66 keys