Sale 1:

http://backpack.tf/profiles/76561198085046840#!/compare/1487894400/1488067200

1:1 with vivid Caribbean (34-45, 11 months ago)

Vivid caribbean mini:

http://backpack.tf/profiles/76561198115721685#!/compare/1485475200/1485561600

Sold for 38 pure

[Taking 38, excluding due to unsold]

Sale 2:

http://backpack.tf/profiles/76561198085046840#!/compare/1489017600/1489104000

Sold for Miami Gutenkutteharen (29-32, in-date) + 4

X = 30.5 + 4 = 34.5 ~ 35

[Taking 35]

Sale 3:

http://backpack.tf/profiles/76561198085046840#!/compare/1489449600/1489536000

Sold with a pittance of ref for a searing pillar (40, 9 months ago)

B/O does not cap: http://www.tf2outpost.com/trade/28823483

Pillar mini:

http://backpack.tf/profiles/76561198085046840#!/compare/1491004800/1491350400

Sold for flies ninja hood (30-35, in-date) + 11 keys

Y = 32.5 + 11 = 43.5 ~ 44

[Taking 44, excluding due to unsold]

Sale 4:

http://backpack.tf/profiles/76561198005367541#!/compare/1489622400/1489708800

Bulk, excluding

Final price: 35 keys.

Unsold at 38 for 2 months supports drop: http://tinypic.com/r/voue1j/9

Only quickbuyer is at ~25 keys.