Previous suggestion's sale is almost Outdated. Why not?

Also, this sale isn't really that Bulky :P

http://backpack.tf/item/3634495652

Sale) Sold + Duped Screaming Tiger Schadenfreude (190) + Duped Scorching Flames Master's Yellow Belt (141) + Scorching Flames Le Party Phantom (125) for a Sunbeams Virtual Viewfinder (1,250) + Sunbeams Le Party Phantom (95) + Stormy Storm Brainiac Hairpiece (30)

http://backpack.tf/profiles/76561198049054413#!/compare/1467072000/1467158400 - Seller

http://backpack.tf/profiles/76561197966756586#!/compare/1467072000/1467158400 - Buyer

X + (190 + 141 + 125) = 1,250 + 95 + 30

X + 456 = 1375

X = 919 Keys, which I'll round to 920 Keys

Schadenfreude Mini

http://www.tf2outpost.com/trade/28317198 - Was offered ~260 Keys in Unusuals

http://www.tf2outpost.com/trade/28373916 - Buyout of 190 Keys

There aren't any usable sales for this, so hopefully this suffices?

Yellow Belt Mini

http://backpack.tf/profiles/76561198192602363#!/compare/1469836800/1469923200 - Sold for a Sunbeams Tosslecap (139) + ~2 Keys of Items

139 + 2 = 141 Keys

Virtual Viewfinder Mini

http://backpack.tf/profiles/76561198073553007#!/compare/1467158400/1467244800 - Sold + PE Virtual Viewfinder (890) + Sunbeams Le Party Phantom (95)

for a Burning Flames Polar Pullover (2,235)

2235 - (890 + 95) = 1,250 Keys

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Ignoring the last suggestion's sale, as it becomes Outdated in 1 Day (8/12)