Only recent usable sale:

Sold for an Aces High Cotton Head + Misty Skull Larrikin Robin

http://backpack.tf/profiles/76561198102772694?time=1442732400 (before)

http://backpack.tf/profiles/76561198102772694?time=1443078000 (after)

21 + 42 X 0.9 = 62.4 (rounded down)

Mini on the Cotton:

1:1 with a duped DBD Towering Scrap

http://backpack.tf/profiles/76561198128823735?time=1442041200 (before)

http://backpack.tf/profiles/76561198128823735?time=1442473200 (after)

Micro on the Scrap (Thanks Zenith)

1:1 with an Isotope Backwoods Boomstick

http://backpack.tf/profiles/76561198133621788?time=1445497200 (before)

http://backpack.tf/profiles/76561198133621788?time=1445670000 (after)

Mini on the Robin:

Sold for a Green Energy Lord Cockswain's Pith Helm + ~21 Keys in Sweets

http://backpack.tf/profiles/76561198102772694?time=1441090800 (before)

http://backpack.tf/profiles/76561198102772694?time=1441177200 (after)