Tiny Titanium Lockbox

Tiny Titanium Lockbox is a rare type of lockbox that requires 400 lockpicking to open.

Source
This item can be very rarely found within a Bag of Fishing Treasures (Dalaran), which are rewarded from the fishing dailies Marcia Chase offer in Dalaran.

Contents
Typical contents are some set of:
 * a Stormjewel
 * a rare Northrend gem
 * 1-3 junk items
 * Hoop Earring
 * Sparkly Necklace
 * an uncommon item with a random enchantment
 * Bouquet Ring, Spur Ring, Puzzle Ring
 * Silken Cord Amulet, Platinum Medallion, Ice Encrusted Amulet
 * a rare item with a random enchantment
 * Forgotten Necklace, Lost Ring
 * possibly an epic item as well
 * The 5 Ring