I have these doubles/triples/quadruples for swaps/give to newer players:

Scout: Soda Popper gun (X3), Winger pistol (X3), Crit-A-Cola.
Sniper: The Huntsman bow, Jarate.
Soilder: The Cow Mangler 5000 zap launcher, The Black Box rocket launcher, The Righteous Bison zap pistol, The Concheror banner, The Battalions Backup banner, The Equaliser pickaxe (X2).
Demo: Ali Babas Wee Booties charging footwear, The Chargin' Targe charging shield (X3), Nessie's Nine Iron golf club (X2).
Medic: The Amputator bone saw.
Heavy: Natascha minigun, The Family Buisness shotgun, The Sandwich.
Pyro: The Backburner flamethrower, The Flare Gun flare pistol, The Axetinguisher axe (X2).
Spy: L'etranger pistol, Your Eternal Reward dagger.
Engineer: Frontier Justice shotgun, The Wrangler sentry control joystick, The Southern Hospitality wrench (X2).

I'm after anything I havn't already got ;-)

Okay, here is what I have! Anyone is welcome to these items if they wanna try them out.

Heavy: Family Business, Sandvich
Demoman: Eyelander, Persian Persuader, Loch n Load
Pyro: Powerjack, Detonator
Medic: Quick Fix
Scout: 2xHoly Mackrel, Crit-a-cola
Engineer: Frontier Justice, 2xGunslinger
Spy: Dead Ringer, Diamondback

I'm looking for any Pyro items (HATS!) and a few Medic items, like the Overdose.