The logo of the <a href="https://en.wikipedia.org/wiki/Skull_and_Bones" class="extiw" title="en:Skull and Bones">Skull and Bones</a> consists of a skull and crossbones, along with the number 322.  According to one theory, 322 symbolises the year the society was founded (1832) and indicates that it is the second chapter of a German secret society, supposedly the Bavarian Illuminati.  It more likely records the date of Demosthenes' death.
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來源：耶魯大學檔案館