So a few of the pledge levels of the Dracula Dossier Kickstarter contained unique clues that were sent out as postcards.
Since they don't make all that much sense on their own, attempts to gather as many as possible have been made in the comments of Update 16
So far, 11 out of (possibly) 41 have made an appearance, and they've been nicelly gathered in this practical map
It's been suggested that this forum might be a better place for such discussion. And thus, this thread.