Unusuals I once had:
Dead Presidents Exquisite Rack
Aces High Exquisite Rack
Miami Nights Jumper's Jeepcap
Aces High Cloud Crasher
Misty Skull Birdcage
Searing Plasma Dragonborn Helmet
Aces High Slo-Poke
Aces High Gilded Guard
Electrostatic Soldier's Slope Scopers
Disco Beat Down Western Wear
Kill-a-Watt Cloud Crasher
Disco Beat Down Birdcage
Blizzardy Storm Armored Authority
Stormy Storm Officer's Ushanka
Nuts n' Bolts Team Captain
Blizzardy Storm Troublemaker's Tossle Cap
Ooze Full Metal Drill Hat
Death at Dusk Jumper's Jeepcap
Death at Dusk Katyusha

I missed:
Time Warp Soldier's Slope Scopers