The last one is an oil from Black Phoenix Alchemy Lab, it was a super-limited run of that oil that was only available at an event with Neil Gaiman, which you had to pay to go to, I forget how much but a few hundred dollars I think. The oil came with that sample of Dark Chocolate, making that super limited also, and to get both of them together is really rare.
BPAL has quite a few ardent fans who will pay extravagant amounts to get some of the super-limited oils, up to hundreds of dollars for some of them. A few years ago there was a prototype of Ded Moroz, a Yule-themed blend, that went up over eight hundred dollars on ebay, for a 5ml bottle. And that was a prototype.