Selling:

http://i.imgur.com/iDu1HN8.png - (1 at 38 keys, 1 at 40 keys)

http://www.tf2outpost.com/trade/27755887 - b/o: 38 keys (unsold for 6 days)

http://www.tf2outpost.com/trade/27784462 - b/o: 40 keys (unsold for 22 hours)

http://www.tf2outpost.com/trade/27733519 - b/o: 40 keys (unsold for 1 week)

Sold:

http://www.tf2outpost.com/trade/27731485 - sold for 30 keys

http://www.tf2outpost.com/trade/27642953

http://backpack.tf/profiles/76561198130831528?time=1452326400&compare=1452412800 - sold with 4 keys + pink Essential Accessories + small sweets for Strange Australium Scattergun + Vintage Professional Killstreak Lugermorph + small sweets = (37 + 7) - 6 = 38 keys

http://backpack.tf/profiles/76561198046705664?time=1448438400&compare=1448524800 - sold with Searing Plasma Electric Escorter for It's A Secret To Everybody Madame Dixie (bulk deal so not using)