'Quickselling for 75 keys.'

Alrighty then, you have to see what a real Quicksell looks like.

http://www.tf2outpost.com/trade/25748031 ~ Quicksold for 24 keys (Invalid)

http://www.tf2outpost.com/trade/25347198 ~ Sold for a Clean Max's = 37 keys at that time

http://www.tf2outpost.com/trade/25240435 ~ Sold for P.Fetti Hermes + Gifted KaW Liquidator's = (17 + 15) * 0.9 = 29 keys

Mini for Liquidator's

http://www.tf2outpost.com/trade/25300436 ~ B/O of 15 keys, sold for KaW YWN with B/O of 20 keys in http://www.tf2outpost.com/trade/25330768 = 15 keys

Feel free to counter or support my proofs.