1/2 and the other is gifted so here we go.

---1ºSale:---

Seller: http://steamcommunity.com/id/Exio-PYRO/

Buyer: http://steamcommunity.com/profiles/76561198050039158

For:

Miami Nights Modest Pile of Hat + 5 keys : 3.5 x 90%= 3,15 + 0,26(keys) = 3,41 - Rounding to 3.5

Prove:

Seller: http://backpack.tf/profiles/76561198050039158?time=1408118109

Buyer: http://backpack.tf/profiles/76561198055356790?time=1407826800

Outpost: http://www.tf2outpost.com/trade/21940061

---2ºSale:---

Buyer: http://steamcommunity.com/id/Exio-PYRO/

Seller: http://steamcommunity.com/profiles/76561198049580575

For:

Purple Confetti Triboniophorus Tyrannus (2.02) + 1 earbud = 2.02 x 90% = 1,9 + 1 = 2.9 -Rounding to 3

Prove:

Seller: http://backpack.tf/profiles/76561198049580575?time=1407308400

Buyer: http://backpack.tf/profiles/76561198055356790?time=1407222000

---Final:---

3 to 3.5