What is the rarest item you own?

[ChaosWolf]

http://www.wowhead.com/item=7683 On my monk.

This demands explanation.

[Breimann]

Amani Battle Bear, Spirit of Competition... Nothing special really =/

[discoepfeand]

In terms of non-soul-bound stuff, the rarest I have is the Expert Goldminer's Helmet: http://www.wowhead.com/item=9375

I'm trying to decide between using it for a transmog, selling it for 200K (I'll get it eventually if I try) or just keep it in my bank.

I've got plenty of other rare BOP stuff, and I sold a Teebu's for 100K right before xpac, but that's just cause I've been playing since day 1, and everyone playing that long lots of rare stuff I'd guess.

[Miuna]

Ashbringer, Tier3, some other naxx stuff. Seal of Ascension to open UBRS door back in the day. Splinter of Atiesh (on my warrior lulz) ZG mounts and some other stuff I cant come up with since I quit WoW

[Lornd]

prob tabard of the lightbringer on my main or old ZG tiger
carved ogre idol and some other tcg vanity stuff on my old main /cry - damn gms wont move it for me.

[Shaith86]

The rarest items I own are probably my Blazing Hippogryph, Competitor's Tabard, and the original version of Quel'Serrar.

[Krugbuu]

Mount wise, i got both original zg mounts and togc 10 wolf

weapons, i got tfury, and off hand glaive

[Kantoro]

Ethics/Morality

[DEATHETERNAL]

Ashes of Al'ar or Moist Towelette (not sure how many people have saved those all this time since they became BOP) or main hand war glaive on a mage.

[Mithfin]

This demands explanation.

It was a bug during the last Hallow's end event. Instance server went down at the loading screen of the Headless Horseman LFG teleport, and then I logged back in after a while I ended up in the old Scarlet Monastery: Graveyard with no Horseman but all mobs and bosses alive.

[sac]

i have on my BoA pvp sword an enchant that doesnt exist anymore..its called fiery blaze. i also have alot of loot from the old zanalarian dungeons before they were made normal.

[Snaige]

Invincible and anathema/benediction.

[Mudor]

T3 chest and boots.

Also got Hero of the Alliance if that counts as an item. Full old ZG set on rogue + the fist weapon set including the leather stuff from ZA and the Zul'jin dagger.

[Eluvium]

Nothing amazing - the headless horseman's mount.

[Whitey]

Teebu's! Also a few discontinued mounts.

[Chonar]

It was a bug during the last Hallow's end event. Instance server went down at the loading screen of the Headless Horseman LFG teleport, and then I logged back in after a while I ended up in the old Scarlet Monastery: Graveyard with no Horseman but all mobs and bosses alive.

Happened to me too! It was awesome until I realized it was the last time ever I'd see the old monastery graveyard.
Then it was still awesome, but also kind of sad.

[Brutalion]

Rarest item i own is my arcanite ripper... Bust out a face melter ftw!

[Evil Inside]

The horseman's mount from Karahzan.

[Rotted]

Spirit of competition
Haunted memento
Reins of the Crimson Death Charger, not that rare, but a lot rarer than half the crap people are listing here, I also go it fairly cheap when they were being dupped a load, I kept my eye on a legit seller who was essentially being forced to lower his BO to match the duppers, I made my move then ;p
I also have a head from the drake that used to be at the duskwood portal (on zee DK)
Grand Black War Mammoth, however I didn't think it was that rare, I got it on the lock one week during a alt run, the next week on my druid alt run, shame we didn't know about Acc wide mounts someone offered me 100k for it during wrath -.-

[Strafer]

I would love for some pictures.