Kidrobot throw open their vault, but what long sold-out gems are inside?

It has long been rumored that Kidrobot has a vault containing at least one of every figure they've ever released, but now it is confirmed. Yes, from the earliest releases, KR has kept "an archive of all of our releases." And now, for the first time ever, they are going to throw the vault's door open and make available again some of the pieces that have been stored within.
On Tuesday, May 24th, 2016 at 9am Pacific time, Kidrobot will be "releasing select sold-out items in VERY LIMITED QUANTITIES" on their website, Kidrobot.com. Everything will be first come, first serve and "once the items sell out they will be gone forever!"
To find out what's going to be available, prior to the actual drop, KR will be giving hints and sneak previews on their Twitter, Instagram, and Facebook. Can't wait to see what will be coming back!