If you have any constructive criticism, support, or counter-proof, let me know below!

Sellers at 1.1 keys:

http://www.tf2outpost.com/trade/25768076 - “backpack.tf prices” (5 days ago)

http://www.tf2outpost.com/trade/25811498 (7 hours old)

Sold at 1.15 keys:

http://www.tf2outpost.com/trade/25613382 - 1 key 2.66 ref

• bp on 4/13: http://backpack.tf/profiles/76561198074692586?time=1428908400 (3 in stock)
• bp on 4/14: http://backpack.tf/profiles/76561198074692586?time=1428994800 (2 in stock)

Sold at 1.2 keys:

http://www.tf2outpost.com/trade/23903656 - 1 key 4 ref

• bp on 4/15: http://backpack.tf/profiles/76561197978210095?time=1429081200 (28 in stock)
• bp on 4/16: http://backpack.tf/profiles/76561197978210095?time=1429167600 (27 in stock)
• bp on 4/19: http://backpack.tf/profiles/76561197978210095?time=1429426800 (26 in stock)
• bp on 4/21: http://backpack.tf/profiles/76561197978210095?time=1429599600 (25 in stock)
• bp on 4/22: http://backpack.tf/profiles/76561197978210095?time=1429686000 (24 in stock)
• bp on 4/24: http://backpack.tf/profiles/76561197978210095?time=1429858800 (22 in stock)
• bp on 4/26: http://backpack.tf/profiles/76561197978210095?time=1430031600 (21 in stock)

Seller at 1.2 keys:

http://www.tf2outpost.com/trade/25811609 - 1 key 3 ref (7 hours old, 1 in stock)

Sold at 1.3 keys (outlier):

http://www.tf2outpost.com/trade/14464311 - 1.33 keys

• bp on 4/23: http://backpack.tf/profiles/76561197967159739?time=1429772400 (11 in stock)
• bp on 4/24: http://backpack.tf/profiles/76561197967159739?time=1429858800 (10 in stock)