If I used some of the links a couple of times, sorry in advance.

Sellers:

http://www.tf2outpost.com/trade/9942030 -- (b/o: 3 keys) -- S. Eternal Reward -- 2 keys

http://www.tf2outpost.com/trade/9257434 -- (1 key + s. ambassador -- 2 keys) -- (s. holiday punch -- 2 keys)

http://www.tf2outpost.com/trade/9875990 -- (b/o: 3 keys) -- (kringle -- 1.8 keys) -- (s. flare gun -- 5.11 -- 1.2 keys)

http://www.tf2outpost.com/trade/8617594 -- (b/o: 3 keys) -- (s. holiday punch -- 2 keys) -- (willing to swap a s. widowmaker for a holiday punch -- 2 keys)

http://www.tf2outpost.com/trade/9860692 -- (b/o: 3 keys) -- (s. eternal reward - 2 keys)

http://www.tf2outpost.com/trade/9781364 -- (b/o: 5 keys) -- (s. holiday punch -- 2 keys)

http://www.tf2outpost.com/trade/9989651 -- (b/o: 2 keys + 1 ref -- 2.2 keys) -- (2 keys) -- (1 key + 2.66 -- 1.6 keys)

http://www.tf2outpost.com/trade/9408341 -- (b/o: 4 keys) -- (team captain -- 5.44 -- 1.3 keys)

http://www.tf2outpost.com/trade/9290886 -- (s. holiday punch -- 2 keys) -- (crate 40 for 3 -- 1.9 keys each)

http://www.tf2outpost.com/trade/9933447 -- (b/o: 3 keys) -- (1 key + s.ambassador)

http://www.tf2outpost.com/trade/9251361 -- (8 ref -- 1.8 keys)

http://www.tf2outpost.com/trade/4880707 -- (b/o: 20 keys < lol) -- (s. eternal reward -- 2 keys) -- (s. holiday punch -- 2 keys)

http://www.tf2outpost.com/trade/9888129 -- (b/o: 4 keys) -- (2 keys)

http://www.tf2outpost.com/trade/9243487 -- (s. eternal reward -- 2 keys)

http://www.tf2outpost.com/trade/9821153 -- (b/o: 3 keys) -- (all father -- 2 keys) -- (s.holiday punch -- 2 keys)

Buyers:

http://www.tf2outpost.com/trade/9806921 -- (bought for 6 ref) -- (willing to sell for 10 ref -- 2.3 keys)

http://www.tf2outpost.com/trade/9577991 -- (bought a few for 1 key)

http://www.tf2outpost.com/trade/8719441 -- (bought 5 for 2 keys)

http://www.tf2outpost.com/trade/9923068 -- (bought 1 for 1 key)

http://www.tf2outpost.com/trade/9425446 -- (willing to sell for 8 ref -- 1.8 keys)

http://www.tf2outpost.com/trade/10012942 -- (bought for 7.66 -- 1.8 keys)

http://www.tf2outpost.com/trade/9769275 -- (willing to sell for 2 keys) -- (willing to sell for 2 keys + 1 ref -- 2.2 keys)

http://www.tf2outpost.com/trade/9970709 -- (Willing to sell for 2 keys + 1 ref -- 2.2 keys)

http://www.tf2outpost.com/trade/9800435 -- (a few people willing to sell for 2 keys)

http://www.tf2outpost.com/trade/9397357 -- (bought a lot at 1.5 keys)

http://www.tf2outpost.com/trade/9954713 -- (bought for 1.5 keys)

http://www.tf2outpost.com/trade/9785627 -- (bought a lot for 1.5 keys)

http://www.tf2outpost.com/trade/8222064 -- (bought a few for 2 keys)

http://www.tf2outpost.com/trade/9904309 -- (stopped buying at 2 keys) -- (bought a few for 2 keys)

http://www.tf2outpost.com/trade/9268777 -- (willing to sell for 8.66 -- 2 keys)

http://www.tf2outpost.com/trade/9958447 -- (willing to sell for 2 keys + 1 ref -- 2.2 keys)

http://www.tf2outpost.com/trade/8446757 -- (bought a few for 1 key + 1 ref) -- (willing to sell for 2 keys + 1 ref -- 2.2 keys)

http://www.tf2outpost.com/trade/9383932 -- (Willing to sell for 2 keys)

http://www.tf2outpost.com/trade/10033087 -- (bought for 2 keys)

http://www.tf2outpost.com/trade/9217100 -- (willing to sell for 2 keys + 1 ref -- 2.2 keys)

http://www.tf2outpost.com/trade/10009717 -- (willing to sell for 2 keys + 1 ref -- 2.2 keys)

http://www.tf2outpost.com/trade/9978020 -- (Willing to sell for 9 ref -- 2.1 keys) -- (willing to sell for 9.33 -- 2.2 keys)

http://www.tf2outpost.com/trade/9928213 -- (willing to sell for 2 keys)

http://www.tf2outpost.com/trade/9382861 -- (bought 1 for 2 keys)

http://www.tf2outpost.com/trade/9352464 -- (a few people willing to sell for 2 keys)

http://www.tf2outpost.com/trade/8619385 -- (bought for 1 key + 1 ref)

http://www.tf2outpost.com/trade/7626134 -- (bought for 1 key + 3 ref)

Unsold:

http://www.tf2outpost.com/trade/10035201 -- (b/o: 2 keys)

http://www.tf2outpost.com/trade/9998251 -- (b/o: 5 keys) -- (unsold for 1 day)

http://www.tf2outpost.com/trade/9937828 -- (b/o: 5 keys) -- (unsold for 4 days)

http://www.tf2outpost.com/trade/9987339 -- (b/o: 2.5 keys) -- (unsold for 2 days)

http://www.tf2outpost.com/trade/9998469 -- (b/o: 4 keys) -- (unsold for 1 day)

http://www.tf2outpost.com/trade/9925317 -- (b/o: 4:1 v. lugermorph -- 2.5 keys each) -- (unsold for 4 days)

http://www.tf2outpost.com/trade/8649995 -- (unsold for 1 month)

http://www.tf2outpost.com/trade/10034583 -- (b/o: 2-2.5 keys)

http://www.tf2outpost.com/trade/9598279 -- (unsold for 2 weeks)

http://www.tf2outpost.com/trade/10024916 -- (b/o: 2 keys + 1.33 -- 2.3 keys) -- (unsold for 8 hours)

http://www.tf2outpost.com/trade/9972470 -- (unsold for 2 days)

http://www.tf2outpost.com/trade/9975513 -- (unsold for 2 days)

http://www.tf2outpost.com/trade/5594560 -- (unsold for 5 months)

http://www.tf2outpost.com/trade/7915961 -- (b/o: 5 keys) -- (unsold for 2 months)

http://www.tf2outpost.com/trade/9989674 -- (b/o: 3 keys) -- (unsold for 2 days)

http://www.tf2outpost.com/trade/9949498 -- (b/o: 2-2.5 keys) -- (unsold for 3 days)

http://www.tf2outpost.com/trade/10026653 -- (b/o: 2.5 keys) -- (unsold for 7 hours)

http://www.tf2outpost.com/trade/10034583 -- (b/o: 2-2.5 keys) -- (unsold for 1 hour)

http://www.tf2outpost.com/trade/9076840 -- (unsold for 1 month)

http://www.tf2outpost.com/trade/8649995 -- (unsold for 1 month)

http://www.tf2outpost.com/trade/9763754 -- (b/o: 2.5 keys) -- (unsold for 1 week)

http://www.tf2outpost.com/trade/9831067 -- (b/o: 5 keys) -- (unsold for 1 week)

http://www.tf2outpost.com/trade/8046985 -- (b/o: 6 keys < lol) -- (unsold for 2 months)

http://www.tf2outpost.com/trade/9240394 -- (unsold for 1 month)

http://www.tf2outpost.com/trade/9371198 -- (unsold for 3 weeks)

http://backpack.tf/classifieds/search/527/11/0 -- (lot's unsold at 2 keys) -- (a few unsold at 2.25 keys) -- (a few unsold at 2.5 keys)