Re-suggesting now I have purchased it, with extra sales for Crown & KE courtesy of Polar.

Only two exist – one is strange, one is regular. History of the regular included in all below sales - http://backpack.tf/item/3448974254

Sale 1: Sold for Neutron Star KE (130)

Buyer: http://backpack.tf/profiles/76561198272100041#!/compare/1477612800/1477785600

Seller: http://backpack.tf/profiles/76561198100514826#!/compare/1477612800/1477785600

Sale 2: Sold for Scorching Prince Tavish’s Crown (open suggestion at 95 http://backpack.tf/suggestion/58405cc386674714e24034f8 ). A middleman appears to have been used. History of Crown: http://backpack.tf/item/4836969237

Buyer: http://backpack.tf/profiles/76561198083214810#!/compare/1478390400/1478476800

Seller: http://backpack.tf/profiles/76561198272100041#!/compare/1477699200/1478476800

Sale 3: Sold for Roboactive Tam & Purple Energy Engineer’s Cap. Only recent, usable sale so not using. This will update Tam instead. http://backpack.tf/suggestion/583f594c83de6b3caa023a7c

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Minis

Neutron Star KE

Cheapest b/o on sale = 150 Keys.

Sold for C9 Gibus (85), Spec KS Sticky (15) & Vivid Luchadore (seller at 29) = 129.

Buyer: http://backpack.tf/profiles/76561198170706982#!/compare/1478390400/1478476800

Seller: http://backpack.tf/profiles/76561198237857472#!/compare/1478304000/1478476800

Sold for Tesla Coil Lil’ Bitey (cheapest seller at 130).

Buyer: http://backpack.tf/profiles/76561198237857472#!/compare/1478217600/1478304000

Seller: http://backpack.tf/profiles/76561198054004552#!/compare/1478217600/1478304000

(http://www.tf2outpost.com/trade/28626047 - 89 pure

http://backpack.tf/profiles/76561198045674946#!/compare/1480118400/1480464000 - 85 pure

http://backpack.tf/profiles/76561198047867724#!/compare/1480464000/1480550400 ~130 (mini for the crones in the comments of the current suggestion)) Thanks Polar.

Pure sales are probably outliers. Using 130.

Feedback is very much appreciated.