1 of 1 in existence!

Sale 1:

Sold for Miami Nights Rimmed Raincatcher* (14.5*0.9) + Aces High Dead Cone (10*0.9) = 13.05 + 9 = 22.05 (rounding to 22 keys)

http://www.tf2outpost.com/trade/25876904

http://backpack.tf/profiles/76561198081278549?time=1429340400 (18th April)

http://backpack.tf/profiles/76561198081278549?time=1429426800 (19th April)

Sale 2:

Sold on SCM: http://backpack.tf/item/2048761102

Tradable after 2nd June, therefore sale occurred 1 week before that, on 26th May: http://i.imgur.com/i5Pg2zd.png | http://i.imgur.com/PT0WNNv.png

Seller received: $57.50/1.15/2.5 = 20 keys (keys were ~$2.50 on SCM at time of sale)

Buyer paid: $57.50/2.5 = 23 keys (keys were ~$2.50 on SCM at time of sale)

Mini-suggestion for Miami Nights Rimmed Raincatcher*:

http://backpack.tf/vote/id/556a7720dea9e9bb608b4572

Conclusion:

Three valid sales at 22, 20 and 23 keys. Taking a final range of 20-23 keys.

Feel free to support/counter my suggestion!