One of my vintage valentine collection subsets is "Creepy Valentines." It's really quite amazing how many weird and disturbing historical valentines exist out there. The creepiness usually comes from iconography that is no longer readily meaningful to us, as we'll see later on with some German postcards. But sometimes it's just strange design, like this:
In this spectacular example of a Creepy Valentine, a giant cat with real blown glass eyes and a moveable head (for extra horror) appears to be about to devour the small child who is obliviously offering him a sweetie...Made in Germany in the 1920s-30s.