Too many hats, not enough suggestors. :^(

-Sold for a stormy sarge's drill hat(22.5 keys), an uncraft summer hat(~7 keys at the time), and a voodoo juju(3.5 keys) (33 keys total): http://backpack.tf/profiles/76561198135763017#!/compare/1469836800/1470009600

-1:1'd for an MG titanium tyrolean(33 keys): http://backpack.tf/profiles/76561198097700183#!/compare/1470787200/1470873600

-Sold for a BF hard counter(28 keys) and ~2 keys in sweets (30 keys total): http://backpack.tf/profiles/76561198097700183#!/compare/1470873600/1471219200

-1:1'd for a CH geezer(26 keys, outlier): http://backpack.tf/profiles/76561198153088409#!/compare/1471046400/1471219200

-Sold for 32 pure: http://backpack.tf/profiles/76561198070824554#!/compare/1473897600/1473984000

-Sold for a gfetti grenadier(15 keys) and a pfetti glen(16 keys) (31 total): http://backpack.tf/profiles/76561198066195760#!/compare/1473292800/1473379200

Going with 30-33 thanks to the sales above.

ALL credit goes to Mindacos.