No wonder Trolls and those Gnomes exist somewhere out there in the northernmost parts of European lands. The folks up there between the late 19th and early 20th century must have a deep fondness towards the plant to send their beloved ones a psychedelic mushroom card for holiday greetings.

Or perhaps it has been a way long tradition since days before the invention of the greeting card itself. The cards are quite, umm, “out there”, so bare with it and check on the rest below.