I known about this logo from the BPF and have even seen this in a tat on the net:



...but today I ran into a book by Thich Nhat Hahn pub. circa 1992:



...and there is the logo.

Hmmm.

Curious. What is the history and meaning of the logo? I am assuming it has to do with the Flower Sermon.

Anyone have more info on it?