Quicksold for 32 keys:

http://www.tf2outpost.com/trade/26590295

http://backpack.tf/profiles/76561198040962410?time=1437807600 (July 25th)

http://backpack.tf/profiles/76561198040962410?time=1438239600 (July 30th)

http://backpack.tf/profiles/76561198040962410?time=1437807600&compare=1438239600

Sold for (?) keys?

http://www.tf2outpost.com/trade/26171204

http://backpack.tf/profiles/76561198074956732?time=1434178800 (June 13th)

http://backpack.tf/profiles/76561198074956732?time=1434265200 (June 14th)

http://backpack.tf/profiles/76561198074956732?time=1434265200&compare=1434178800

Seems like a bulk quicksell:

http://backpack.tf/profiles/76561198014470236?time=1437462000 (July 21st)

http://backpack.tf/profiles/76561198014470236?time=1437721200 (July 24th)

http://backpack.tf/profiles/76561198014470236?time=1437462000&compare=1437721200

Sold for 40 keys:

http://www.tf2outpost.com/trade/25654923

http://backpack.tf/profiles/76561198029459547?time=1435302000 (June 26th)

http://backpack.tf/profiles/76561198029459547?time=1435474800 (June 28th)

http://backpack.tf/profiles/76561198029459547?time=1435302000&compare=1435474800

40 keys

Sold for 43 keys + sweets:

http://backpack.tf/profiles/76561198048540778?time=1435042800 (June 23rd)

http://backpack.tf/profiles/76561198048540778?time=1435820400 (July 2nd)

http://backpack.tf/profiles/76561198048540778?time=1435042800&compare=1435820400

~43 keys

Sold for 41 keys:

http://backpack.tf/profiles/76561198063640894?time=1434956400 (June 22nd)

http://backpack.tf/profiles/76561198063640894?time=1435042800 (June 23rd)

http://backpack.tf/profiles/76561198063640894?time=1435042800&compare=1434956400

41 keys

Sold for 30 keys:

http://www.tf2outpost.com/trade/26613979

http://backpack.tf/item/2691737897

Quicksold to me. Excluding as the item quicksold at 32 keys.

Sellers at 39 keys:

http://i.gyazo.com/20804ccf20923f034d7dc440b8ee87fb.png

Including in range.